US2728265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric measuring instrument
Assignee: General Electric Co
•
Filing: 1952-05-07
•
Granted: 1955-12-27
•
Expires: 1972-05-07
Abstract
No abstract record available.
Inventors
- 👤 Allen G Stimson
- 👤 Clement F Taylor
- 👤 Hans A Bakke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:25
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/16; G01J1/1626; G01J1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1931283A
Cited
US2142657A
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GB508802A
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US2213642A
Cited
US2353475A
Cited
FR925985A
Cited
US2550936A
Cited
US2579661A
Cited
DE812723C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |