US2483044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delayed-release mechanism
Assignee: United States Department of the Navy
•
Filing: 1944-11-20
•
Granted: 1949-09-27
•
Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Calvin A Gongwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:39
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/38; B64D17/383; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45497; Y10T24/45508; Y10T24/45602; Y10T24/45675; Y10T24/45696; Y10T24/45702; Y10T24/50; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431741A
Cited
US1027481A
Cited
US1507706A
Cited
US2061083A
Cited
US2131445A
Cited
US2270317A
Cited
US2386932A
Cited
US2356920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |