US2727705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive systems and apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1953-08-11
•
Granted: 1955-12-20
•
Expires: 1973-08-11
Abstract
No abstract record available.
Inventors
- 👤 Arne P Rasmussen
- 👤 David W Roese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:10
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/62; G01C; G01C5/00; G01C5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US897730A
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US2159703A
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US2358803A
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US2445335A
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US2526669A
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US2479307A
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US2638288A
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US2652859A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |