US2837296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-friction tape measure case
Assignee: Lufkin Rule Co
•
Filing: 1953-10-19
•
Granted: 1958-06-03
•
Expires: 1973-10-19
Abstract
No abstract record available.
Inventors
- 👤 Zelnick Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:02
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/10; G01B3/1041; G01B3/1043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563542A
Cited
US1138483A
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US1730199A
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US1761592A
Cited
US2110210A
Cited
US2132202A
Cited
US2510939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |