Patent US1090697A successfully refreshed from Google Patents.
US1090697A
Expired / Lapsed
US
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Attachment for trap-doors.
Assignee: Individual
•
Filing: 1913-07-23
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Granted: 1914-03-17
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Expires: 1933-07-23
Abstract
No abstract record available.
Inventors
- 👤 Edgar Eddelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:08
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05Y; E05Y2999/00; Y; Y10; Y10S; Y10S16/00; Y10S16/36
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) | 1917-03-16 | 1917-09-15 | 1918-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-03-16 | 1921-09-15 | 1922-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-03-16 | 1925-09-15 | 1926-03-17 | $7700.00 | Window Closed / Lapsed |