US3063043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recorder scale expansion system
Assignee: PERKIN EHNER CORP
•
Filing: 1958-03-04
•
Granted: 1962-11-06
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Expires: 1978-03-04
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:42
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/28; G01J3/42; G01J1/00; G01J1/10; G01J1/20; G01J1/22; G01J1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2302049A
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US2221170A
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US2614327A
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US2787512A
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US2912163A
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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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |