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US1603181A
Expired / Lapsed
US
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Door-operating device
Assignee: Individual
•
Filing: 1925-05-01
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Granted: 1926-10-12
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Expires: 1945-05-01
Abstract
No abstract record available.
Inventors
- 👤 Aborn Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/08; B60J7/16; B60J7/1628; B60J7/1635; B60J7/1642; B60J5/00; B60J5/04; B60J5/0493; B60J5/0494; Y; Y10; Y10S; Y10S160/00; Y10S160/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-10-11 | 1930-04-12 | 1930-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-11 | 1934-04-12 | 1934-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-11 | 1938-04-12 | 1938-10-12 | $7700.00 | Window Closed / Lapsed |