US2499818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch construction
Assignee: Manitowoc Shipbuilding Inc
•
Filing: 1947-04-14
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Granted: 1950-03-07
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Expires: 1967-04-14
Abstract
No abstract record available.
Inventors
- 👤 Alvin N Dedricks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:29
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1014; E05Y; E05Y2900/00; E05Y2900/20; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/088; Y10T292/68; Y10T292/696
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |