US2865103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft rotation determining apparatus
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1956-02-09
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Granted: 1958-12-23
•
Expires: 1976-02-09
Abstract
No abstract record available.
Inventors
- 👤 Lolley Raymond Alan
- 👤 Padbury John Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:25
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/481; G01P3/486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734188A
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US1507921A
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US1684229A
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US1968859A
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US1977027A
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US2724183A
Cited
US2519378A
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US2681574A
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 |