US2993427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank having a photographic development machine
Assignee: Individual
•
Filing: 1957-08-14
•
Granted: 1961-07-25
•
Expires: 1977-08-14
Abstract
No abstract record available.
Inventors
- 👤 Charles L Lovercheck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:09
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1051789A
Cited
US1481759A
Cited
US2135817A
Cited
US2186927A
Cited
US2428681A
Cited
US2405233A
Cited
DE848013C
Cited
FR1105023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |