US1610648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for the lower ends of double-acting hinged doors
Assignee: CHARLES V FISHER
•
Filing: 1924-08-28
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Granted: 1926-12-14
•
Expires: 1944-08-28
Abstract
No abstract record available.
Inventors
- 👤 Frank E Armitage
- 👤 Lee G Marlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:37
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/08; E05D7/081; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1929-12-13 | 1930-06-14 | 1930-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-13 | 1934-06-14 | 1934-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-13 | 1938-06-14 | 1938-12-14 | $7700.00 | Window Closed / Lapsed |