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US2767005A
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Friction door catch
Assignee: WASHINGTON STEEL PRODUCTS Inc
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Filing: 1953-04-13
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Granted: 1956-10-16
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Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert A Jorgensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:09
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; E05C19/063; E05C19/066; Y; Y10; Y10S; Y10S16/00; Y10S16/27; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T292/00; Y10T292/08; Y10T292/0876
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |