Patent US3354571A successfully refreshed from Google Patents.
US3354571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank cartridge gun and cartridge therefor
Assignee: Individual
•
Filing: 1966-05-19
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Granted: 1967-11-28
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Expires: 1986-05-19
Abstract
No abstract record available.
Inventors
- 👤 Robert W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:54
CPC Classifications
F; F42; F42B; F42B8/00; F42B8/02; F42B8/04; F41; F41C; F41C3/00; F41C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A BLANK-CARTRIDGE GUN, WHICH COMPRISES: A GUN HAVING A BARREL PORTION, AND SAFETY MEANS DISPOSED ACROSS SAID BARREL PORTION TO AID IN BREAKING UP THE WAD EJECTED IN RESPONSE TO FIRING OF A BLANK CARTRIDGE IN SAID GUN, SAID SAFETY MEANS COMPRISING OBSTRUCTION MEMBERS EXTENDING TRANSVERSELY OF SAID BARREL AND SERVING TO PROVIDE OBSTRUCTIONS FOR SAID WAD WHILE PERMITTING ESCAPE OF GAS FROM SAID GUN, SAID OBSTRUCTION MEMBERS COMPRISING A PLURALITY OF PINS DISPOSED DIAMETRICALLY ACROSS SAID BARREL AT SPACED POINTS THEREALONG AND ORIENTED AT SUBSTANTIALLY DIFFERENT ANGULAR POSITIONS RELATIVE TO A PLANE CONTAINING THE AXIS OF SAID BARREL, SAID GUN BEING COMBINED WITH A BLANK CARTRIDGE HAVING A WAD ADAPTED TO SEPARATE INTO A SUBSTANTIAL NUMBER OF COMPONENTS IN RESPONSE TO FIRING OF THE CARTRIDGE, SAID WAD BEING FORMED OF MULTI-CELLULAR EXPANDED PLASTIC.
Claim 2
Dependent Claim
134 words
A BLANK-CARTRIDGE GUN, WHICH COMPRISES: A GUN HAVING A BARREL PORTION, AND SAFETY MEANS DISPOSED ACROSS SAID BARREL PORTION TO AID IN BREAKING UP THE WAD EJECTED IN RESPONSE TO FIRING OF A BLANK CARTRIDGE IN SAID GUN, SAID SAFETY MEANS COMPRISING OBSTRUCTION MEMBERS EXTENDING TRANSVERSELY OF SAID BARREL AND SERVING TO PROVIDE OBSTRUCTIONS FOR SAID WAD WHILE PERMITTING ESCAPE OF GAS FROM SAID GUN, SAID OBSTRUCTION MEMBERS COMPRISING A PLURALITY OF PINS DISPOSED DIAMETRICALLY ACROSS SAID BARREL AT SPACED POINTS THEREALONG AND ORIENTED AT SUBSTANTIALLY DIFFERENT ANGULAR POSITIONS RELATIVE TO A PLANE CONTAINING THE AXIS OF SAID BARREL, SAID GUN BEING COMBINED WITH A BLANK CARTRIDGE HAVING A WAD ADAPTED TO SEPARATE INTO A SUBSTANTIAL NUMBER OF COMPONENTS IN RESPONSE TO FIRING OF THE CARTRIDGE, SAID WAD BEING FORMED OF MULTI-CELLULAR EXPANDED PLASTIC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |