US2618210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid developer trap
Assignee: General Precision Laboratory Inc
•
Filing: 1950-03-28
•
Granted: 1952-11-18
•
Expires: 1970-03-28
Abstract
No abstract record available.
Inventors
- 👤 Mayer Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:05
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1595473A
Cited
US1852662A
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US1890026A
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US2111759A
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US2251232A
Cited
US2475658A
Cited
US2458394A
Cited
FR940618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |