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US2445514A
Expired / Lapsed
US
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Door holder and stop
Assignee: Individual
•
Filing: 1946-02-16
•
Granted: 1948-07-20
•
Expires: 1966-02-16
Abstract
No abstract record available.
Inventors
- 👤 Henry P Clausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:09
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/46; E05C17/52; E05C17/525; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1621974A
Cited
US2140002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |