US2671847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toe light
Assignee: Individual
•
Filing: 1951-09-25
•
Granted: 1954-03-09
•
Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 Louis A Lerch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:47
CPC Classifications
A; A43; A43B; A43B1/00; A43B1/0027; A43B1/0036; A43B3/00; A43B3/34; A43B3/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043888A
Cited
US910308A
Cited
US1039030A
Cited
US1053555A
Cited
US2059977A
Cited
US2089897A
Cited
US2572760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |