US2941147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable sensitivity measuring apparatus
Assignee: Bristol Co
•
Filing: 1952-09-08
•
Granted: 1960-06-14
•
Expires: 1972-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald Mckinlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:52
CPC Classifications
G; G01; G01F; G01F7/00; G01F7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1614535A
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US1178772A
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US1171213A
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US1524587A
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US2234573A
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US2338423A
Cited
US2454520A
Cited
US2452539A
Cited
US2611812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |