US3349709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric generators for ammunition
Assignee: Contigea SA
•
Filing: 1964-09-22
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Granted: 1967-10-31
•
Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Vilbajo Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:04
CPC Classifications
F; F42; F42C; F42C11/00; F42C11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROJECTILE COMPRISING A HEAD, A HOLLOW NOSE DISPLACEABLY MOUNTED IN SAID HEAD, SAID NOSE HAVING RIGID WALLS PARTLY EXTENDING BEYOND SAID HEAD AND PARTLY EXTENDING INTO SAID HEAD, A PISTON SLIDABLY MOUNTED IN SAID HOLLOW NOSE BETWEEN SAID WALLS, SAID WALLS AND SAID PISTON ENCLOSING A CHAMBER, AN ELASATIC SHIELD-PAD MOUNTED ON SAID PISTON AND LOCATED WITHIN SAID CHAMBER, A PIEZO-
Claim 2
Dependent Claim
62 words
A PROJECTILE COMPRISING A HEAD, A HOLLOW NOSE DISPLACEABLY MOUNTED IN SAID HEAD, SAID NOSE HAVING RIGID WALLS PARTLY EXTENDING BEYOND SAID HEAD AND PARTLY EXTENDING INTO SAID HEAD, A PISTON SLIDABLY MOUNTED IN SAID HOLLOW NOSE BETWEEN SAID WALLS, SAID WALLS AND SAID PISTON ENCLOSING A CHAMBER, AN ELASATIC SHIELD-PAD MOUNTED ON SAID PISTON AND LOCATED WITHIN SAID CHAMBER, A PIEZO-
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |