US2880512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring apparatus
Assignee: Mullard Radio Valve Co Ltd
•
Filing: 1954-05-25
•
Granted: 1959-04-07
•
Expires: 1974-05-25
Abstract
No abstract record available.
Inventors
- 👤 Fenemore Ronald William
- 👤 Borley Colin Roderick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:55
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/36; Y; Y10; Y10T; Y10T408/00; Y10T408/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2735005A
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US2406299A
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US2401621A
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US2547212A
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US2669388A
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US2748665A
Cited
US2717987A
Cited
US2710934A
Cited
US2685047A
Cited
US2694804A
Cited
US2671123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |