US2481078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating caliper gauge
Assignee: Individual
•
Filing: 1944-12-08
•
Granted: 1949-09-06
•
Expires: 1964-12-08
Abstract
No abstract record available.
Inventors
- 👤 Howard A Burdwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:34
CPC Classifications
G; G01; G01B; G01B5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335110A
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US455644A
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US585184A
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US672493A
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US890242A
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US1328378A
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US1516387A
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US1526115A
Cited
FR738779A
Cited
US2030320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |