Patent US3273553A successfully refreshed from Google Patents.
US3273553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetically operated gun
Assignee: Individual
•
Filing: 1963-09-12
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Granted: 1966-09-20
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Richard H Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:00
CPC Classifications
F; F41; F41B; F41B6/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
AN ELECTRIC GUN ENERGIZED BY AN UNDULATING POTENTIAL SOURCE FOR PROPELLING A PROJECTILE HAVING A MAGNETIC PORTION COMPRISING A HOUSING HAVING A BARREL STRUCTURE, WINDING MEANS ON THE HOUSING INCLUDING AN AXIAL OPENING ALIGNED WITH THE BARREL FOR RECEIVING THE PROJECTILE, CONTROL CIRCUIT MEANS CONNECTED BETWEEN THE UNDULATING POTENTIAL SOURCE AND THE WINDING MEANS FOR CONNECTING THE WINDING MEANS TO THE POTENTIAL SOURCE FOR A PERIOD OF TIME NO GREATER THAN ONE UNDULATION IN THE POTENTIAL SUPPLIED BY THE SOURCE, AND MANUALLY OPERABLE MEANS CARRIED ON THE HOUSING FOR CONTROLLING THE OPERATION OF THE CONTROL CIRCUIT MEANS.
References Cited (Backward Citations)
US1167178A
Cited
US1241333A
Cited
US1565895A
Cited
US1883773A
Cited
US2499029A
Cited
US2659998A
Cited
US2736308A
Cited
US2786461A
Cited
US3142294A
Cited
US3059630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |