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Patent US2469904A successfully refreshed from Google Patents.
US2469904A
Expired / Lapsed
US
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Gauge support
Assignee: Individual
•
Filing: 1947-01-10
•
Granted: 1949-05-10
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Expires: 1967-01-10
Abstract
No abstract record available.
Inventors
- 👤 Edward A Szuba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:19
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/0002; G01B5/0004; Y; Y10; Y10S; Y10S248/00; Y10S248/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1034365A
Cited
US1946856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |