US2952184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster cell and exposure meter
Assignee: General Electric Co
•
Filing: 1957-08-29
•
Granted: 1960-09-13
•
Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Hans A Bakke
- 👤 Allen G Stimson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:47
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; G01J1/4209; G01J1/4214
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2063973A
Cited
US2129114A
Cited
DE641784C
Cited
US2297262A
Cited
CH258022A
Cited
US2408944A
Cited
DE824408C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |