Patent US6447339B1 successfully refreshed from Google Patents.
US1294044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shutter-hinge.
Assignee: Individual
•
Filing: 1917-04-27
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Granted: 1919-02-11
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Expires: 1937-04-27
Abstract
No abstract record available.
Inventors
- 👤 Martin C Buckwalter
- 👤 Lewis Garman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:07
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1007; E05D11/1028; E05D11/1078; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/146
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) | 1922-02-10 | 1922-08-12 | 1923-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-02-10 | 1926-08-12 | 1927-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-02-10 | 1930-08-12 | 1931-02-11 | $7700.00 | Window Closed / Lapsed |