P. R. Mallory & Co. Inc.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE30620 High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling meansJul 03, 78May 19, 81[G08B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4377624 Novel cathodes for primary solid electrolyte cellsExpiredNov 03, 81Mar 22, 83[H01M]
4264687 Fluid depolarized cellExpiredSep 24, 79Apr 28, 81[H01M]
4263377 Cathodes for primary solid state lithium cellsExpiredMar 10, 80Apr 21, 81[H01M]
4258109 Solid state cellsExpiredApr 25, 77Mar 24, 81[H01M]
4238552 Electrolyte salt for non-aqueous electrochemical cellsExpiredJul 03, 79Dec 09, 80[H01M]
4233372 Hermetic seal for electrochemical cellExpiredMay 09, 79Nov 11, 80[H01M]
4224385 Expandable battery caseExpiredJan 02, 79Sep 23, 80[H01M]
4220693 Composite separator/absorbentExpiredAug 23, 78Sep 02, 80[H01M]
D256167 Portable fluorescent lampExpiredOct 03, 77Jul 29, 80[D260]
4209479 Means for improving manufacture of solid state cellsExpiredNov 25, 77Jun 24, 80[C25B]
4207389 Solid state cellsExpiredOct 30, 78Jun 10, 80[H01M]
4200684 High rate discharge primary batteryExpiredNov 24, 78Apr 29, 80[H01M]
4195120 Hydrogen evolution inhibitors for cells having zinc anodesExpiredNov 03, 78Mar 25, 80[H01M]
4188460 Internal battery fuseExpiredMay 01, 78Feb 12, 80[H01M]
4186983 Battery connectorExpiredOct 30, 78Feb 05, 80[H01M, H01R]
4185263 Wire-wound resistorExpiredJul 20, 78Jan 22, 80[H01C]
4184010 Method for preventing explosion in thionyl chloride depolarizer cellsExpiredFeb 03, 78Jan 15, 80[H01M]
4184012 Cell reaction barrierExpiredJun 05, 78Jan 15, 80[H01M]
4184014 Abuse resistant cells containing fluid depolarizersExpiredNov 24, 78Jan 15, 80[H01M]
4184017 Polyvalent metal anode containing cellsExpiredJan 24, 79Jan 15, 80[H01M]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.