US2606409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for conditioning photographic apparatus
Assignee: Individual
•
Filing: 1950-07-25
•
Granted: 1952-08-12
•
Expires: 1970-07-25
Abstract
No abstract record available.
Inventors
- 👤 Robert N Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
G; G03; G03D; G03D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US217300A
Cited
US1138479A
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US1208688A
Cited
US1401012A
Cited
US1850413A
Cited
US1926981A
Cited
US2165566A
Cited
US2105915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |