Patent US2627323A successfully refreshed from Google Patents.
US2627323A
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US
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T-square and parallel straightedge combination
Assignee: Individual
•
Filing: 1949-10-11
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Granted: 1953-02-03
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Expires: 1969-10-11
Abstract
No abstract record available.
Inventors
- 👤 Carl O Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:54
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/02; B43L13/04; B43L13/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2077677A
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US2243838A
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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) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |