Patent US1796366A successfully refreshed from Google Patents.
US1796366A
Expired / Lapsed
US
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Photographic-print-treating apparatus
Assignee: Photostat Corp
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Filing: 1929-04-04
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Granted: 1931-03-17
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Expires: 1949-04-04
Abstract
No abstract record available.
Inventors
- 👤 John S Greene
- 👤 Landrock Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:45
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/04; G03D3/08; G03D3/13; G03D3/135
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) | 1934-03-16 | 1934-09-15 | 1935-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-16 | 1938-09-15 | 1939-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-16 | 1942-09-15 | 1943-03-17 | $7700.00 | Window Closed / Lapsed |