US2865202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring and detecting thermal energy
Assignee: Gulton Industries Inc
•
Filing: 1954-04-23
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Granted: 1958-12-23
•
Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 Frank K Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:01
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/20; G01J5/22; G01J5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1639411A
Cited
FR680636A
Cited
CH162501A
Cited
DE661923C
Cited
US2246575A
Cited
GB626915A
Cited
US2580182A
Cited
US2694928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |