US2801472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vernier gauge
Assignee: Individual
•
Filing: 1954-03-24
•
Granted: 1957-08-06
•
Expires: 1974-03-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Davidiak
- 👤 Partos Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:10
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US490860A
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US1194749A
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US741146A
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US878439A
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US1002149A
Cited
US1396117A
Cited
US2529931A
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US2462545A
Cited
US2560176A
Cited
US2758383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |