Patent FR1329624A successfully refreshed from Google Patents.
US2889875A
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US
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Door operating mechanism
Assignee: Macomber Inc
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Filing: 1956-02-08
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Granted: 1959-06-09
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Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 Turner Douglas
- 👤 Robert C Macomber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:34
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/01; E05; E05D; E05D15/00; E05D15/26; E05D15/262; E05D15/264; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/605; E05F15/611; E05F15/614; E05F15/665; E05F15/668; E05F15/67; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/21; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2201/60; E05Y2201/606; E05Y2201/62; E05Y2201/622; E05Y2201/71; E05Y2201/722; E05Y2900/00; E05Y2900/10; E05Y2900/106; E05Y2900/108
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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |