US2665964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording instrument
Assignee: Allard Way Holdings Ltd
•
Filing: 1951-05-22
•
Granted: 1954-01-12
•
Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 Olah George
- 👤 Smith Herbert Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:42
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2027945A
Cited
US2082591A
Cited
US2118081A
Cited
US2191673A
Cited
US2125345A
Cited
US2423480A
Cited
GB560827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |