Patent US2727314A successfully refreshed from Google Patents.
US2727314A
Expired / Lapsed
US
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Combination spirit level and plumb
Assignee: Individual
•
Filing: 1952-12-09
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Granted: 1955-12-20
•
Expires: 1972-12-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Dossie
- 👤 Max J Parnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:16
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; G01C9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1256737A
Cited
US1599048A
Cited
US1691776A
Cited
US1741422A
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US2231036A
Cited
US2143080A
Cited
US2620571A
Cited
US2466829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |