US2603825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door pivot
Assignee: Individual
•
Filing: 1948-08-07
•
Granted: 1952-07-22
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
- 👤 Seaman David Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:36
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/10; E05D7/1005; E05D11/00; E05D11/10; E05D11/1028; E05D11/1078; E05D7/08; E05D7/081; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336355A
Cited
US1241084A
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US2148778A
Cited
US2095866A
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US2184259A
Cited
US2148787A
Cited
US2202916A
Cited
US2216609A
Cited
US2249329A
Cited
US2323625A
Cited
US2430942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |