Patent US3255668A successfully refreshed from Google Patents.
US3255668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light anti-tank weapons
Assignee: Contigea SA
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Filing: 1964-06-11
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Granted: 1966-06-14
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Vibajo Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:43
CPC Classifications
F; F41; F41A; F41A1/00; F41A1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A LIGHT GUN FOR LAUNCHING A PROJECTILE, SAID GUN COMPRISING A LAUNCHING TUBE, A SUPPORT SLIDABLY SUPPORTING SAID TUBE, A CASE ENCLOSING A REAR PORTION OF SAID PROJECTILE, A PROPELLANT CHARGE IN SAID CASE, A COUNTER RECOIL CHARGE CONNECTED WITH SAID BASE, SAID PROPELLANT CHARGE AND SAID COUNTER RECOIL CHARGE CONSTITUTING A ROUND OF AMMUNITION, A PRIMING DEVICE FOR FIRING SAID PROPELLANT CHARGE, A TRIGGER, MEANS FOR FIRING SAID COUNTER RECOIL CHARGE SUBSTANTIALLY IMMEDIATELY AFTER THE PROJECTILE HAS LEFT SAID TUBE, MEANS OPERATIVELY CONNECTING SAID TRIGGER WITH SAID PRIMING DEVICE AND SAID MEANS, MEANS PREVENTING GASES PRODUCED BY THE COMBUSTION OF SAID PROPELLANT CHARGE FROM PRODUCING A COUNTER RECOIL ACTION ON SAID TUBE, AND A REARWARDLY DIRECTED NOZZLE ENCLOSING SAID COUNTER RECOIL CHARGE FOR PRODUCING A COUNTER RECOIL ACTION ON SAID TUBE SOLELY BY GASES PRODUCED BY THE COMBUSTION OF SAID COUNTER RECOIL CHARGE.
Claim 2
Dependent Claim
144 words
A LIGHT GUN FOR LAUNCHING A PROJECTILE, SAID GUN COMPRISING A LAUNCHING TUBE, A SUPPORT SLIDABLY SUPPORTING SAID TUBE, A CASE ENCLOSING A REAR PORTION OF SAID PROJECTILE, A PROPELLANT CHARGE IN SAID CASE, A COUNTER RECOIL CHARGE CONNECTED WITH SAID BASE, SAID PROPELLANT CHARGE AND SAID COUNTER RECOIL CHARGE CONSTITUTING A ROUND OF AMMUNITION, A PRIMING DEVICE FOR FIRING SAID PROPELLANT CHARGE, A TRIGGER, MEANS FOR FIRING SAID COUNTER RECOIL CHARGE SUBSTANTIALLY IMMEDIATELY AFTER THE PROJECTILE HAS LEFT SAID TUBE, MEANS OPERATIVELY CONNECTING SAID TRIGGER WITH SAID PRIMING DEVICE AND SAID MEANS, MEANS PREVENTING GASES PRODUCED BY THE COMBUSTION OF SAID PROPELLANT CHARGE FROM PRODUCING A COUNTER RECOIL ACTION ON SAID TUBE, AND A REARWARDLY DIRECTED NOZZLE ENCLOSING SAID COUNTER RECOIL CHARGE FOR PRODUCING A COUNTER RECOIL ACTION ON SAID TUBE SOLELY BY GASES PRODUCED BY THE COMBUSTION OF SAID COUNTER RECOIL CHARGE.
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |