US2908079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchoring device for a t-square
Assignee: Individual
•
Filing: 1956-10-29
•
Granted: 1959-10-13
•
Expires: 1976-10-29
Abstract
No abstract record available.
Inventors
- 👤 Horace M Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:23
CPC Classifications
B; B43; B43L; B43L7/00; B43L7/02; B43L12/00; B43L7/10; B43L7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US826425A
Cited
US864396A
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US1115333A
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US1340623A
Cited
US1343968A
Cited
US2161236A
Cited
US2340970A
Cited
US2559470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |