US1479112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light absorber for cameras
Assignee: LIGHT ABSORBER CAMERA Co
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Filing: 1922-04-18
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Granted: 1924-01-01
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Expires: 1942-04-18
Abstract
No abstract record available.
Inventors
- 👤 Sparks Will
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:42
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/04
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) | 1926-12-31 | 1927-07-02 | 1928-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-31 | 1931-07-02 | 1932-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-31 | 1935-07-02 | 1936-01-01 | $7700.00 | Window Closed / Lapsed |