Patent US3062042A successfully refreshed from Google Patents.
US3062042A
Expired / Lapsed
US
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Tonometer
Assignee: George P Pilling & Son Co
•
Filing: 1959-06-04
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Granted: 1962-11-06
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Expires: 1979-06-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond O Gulden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:55
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/10; A61B3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US527034A
Cited
US2314514A
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US2520223A
Cited
US2656715A
Cited
US2836173A
Cited
US2708847A
Cited
US2968941A
Cited
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 |