US2650435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose depth gauge
Assignee: Individual
•
Filing: 1950-07-10
•
Granted: 1953-09-01
•
Expires: 1970-07-10
Abstract
No abstract record available.
Inventors
- 👤 Lloyd L Kidd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:11
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/22; G01B3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401292A
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US750449A
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US1248340A
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US1679473A
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US1638887A
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US2175650A
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US2336393A
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US2356544A
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US2492369A
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CH253742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |