US1003536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photograph-shutter.
Assignee: M C SPINKS
•
Filing: 1910-06-30
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Granted: 1911-09-19
•
Expires: 1930-06-30
Abstract
No abstract record available.
Inventors
- 👤 Charles C Spinks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:39
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04; G03B2217/00; G03B2217/24; G03B2217/241
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) | 1914-09-18 | 1915-03-20 | 1915-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-09-18 | 1919-03-20 | 1919-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-09-18 | 1923-03-20 | 1923-09-19 | $7700.00 | Window Closed / Lapsed |