Patent US2809061A successfully refreshed from Google Patents.
US2809061A
Expired / Lapsed
US
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Door stop and holder
Assignee: Individual
•
Filing: 1953-11-13
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Granted: 1957-10-08
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Expires: 1973-11-13
Abstract
No abstract record available.
Inventors
- 👤 Carl R Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:28
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/46; E05C17/52; Y; Y10; Y10S; Y10S292/00; Y10S292/15; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878; Y10T292/0879; Y10T292/68; Y10T292/705; Y10T292/707
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US723219A
Cited
US987894A
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US1089891A
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US1100249A
Cited
US1198227A
Cited
US1502801A
Cited
US1914542A
Cited
US2454414A
Cited
US2519435A
Cited
US2767420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |