US2583491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plumb bob device
Assignee: Individual
•
Filing: 1948-02-27
•
Granted: 1952-01-22
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Orlando Joseph Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:07
CPC Classifications
G; G01; G01C; G01C15/00; G01C15/10; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3916; Y10T24/3924; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR547411A
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US1878041A
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US1875048A
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US2031501A
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US2225405A
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US2339960A
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US2384914A
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US2525414A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |