US2681245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frictional floating mechanism for door mounting and retaining and the like
Assignee: Individual
•
Filing: 1950-04-15
•
Granted: 1954-06-15
•
Expires: 1970-04-15
Abstract
No abstract record available.
Inventors
- 👤 John W J Ackermans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:08
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/02; E05B15/0205; E05B15/024; E05B15/0245; Y; Y10; Y10T; Y10T292/00; Y10T292/68; Y10T292/705; Y10T292/707
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2094119A
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US2156874A
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US2318182A
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US2305122A
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US2284320A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |