US2928329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic developing machine
Assignee: Individual
•
Filing: 1956-11-09
•
Granted: 1960-03-15
•
Expires: 1976-11-09
Abstract
No abstract record available.
Inventors
- 👤 David R Limbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:00
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1472902A
Cited
US1683883A
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US1553920A
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US1709788A
Cited
US1679412A
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US1679411A
Cited
US1796366A
Cited
US1877659A
Cited
US2348355A
Cited
CH265221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |