Patent US2687548A successfully refreshed from Google Patents.
US2687548A
Expired / Lapsed
US
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Doorstop and holder
Assignee: Individual
•
Filing: 1952-09-09
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Granted: 1954-08-31
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Expires: 1972-09-09
Abstract
No abstract record available.
Inventors
- 👤 Floyd W Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:06
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/46; E05C17/52; E05F; E05F5/00; E05F5/06; Y; Y10; Y10S; Y10S292/00; Y10S292/15; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0885
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) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |