US3418530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic crowbar
Assignee: United States Department of the Army
•
Filing: 1966-09-07
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Granted: 1968-12-24
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Expires: 1986-09-07
Abstract
No abstract record available.
Inventors
- 👤 William H Cheever
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:34
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/021; H02H3/023; G; G01; G01S; G01S7/00; G01S7/02; G01S7/03; G01S7/034; Y; Y10; Y10S; Y10S174/00; Y10S174/13; Y10S174/14; Y10S174/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2878428A
Cited
US3348100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |