Patent US2885660A successfully refreshed from Google Patents.
US2885660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic gaging
Assignee: Sheffield Corp
•
Filing: 1955-04-15
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Granted: 1959-05-05
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Expires: 1975-04-15
Abstract
No abstract record available.
Inventors
- 👤 Hecox William
- 👤 Jr Alexander Finlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:17
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2583837A
Cited
US2487523A
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US2631272A
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US2721977A
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US2648058A
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US2727993A
Cited
US2704330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |