US2827609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic bridge gauge
Assignee: Individual
•
Filing: 1953-04-28
•
Granted: 1958-03-18
•
Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 Dan L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:59
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/10; G01B7/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925904A
Cited
US1966984A
Cited
US2312140A
Cited
US2537731A
Cited
US2469476A
Cited
US2549371A
Cited
US2626983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |