US2644989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door mounting
Assignee: Individual
•
Filing: 1952-01-24
•
Granted: 1953-07-14
•
Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Parkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/06; F26B25/08; F26B25/12; E; E05; E05B; E05B17/00; E05B17/0025; E05C; E05C3/00; E05C3/02; E05C3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |