US1437549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically-operated transportation apparatus
Assignee: Individual
•
Filing: 1922-05-15
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Granted: 1922-12-05
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Expires: 1942-05-15
Abstract
No abstract record available.
Inventors
- 👤 Henry S Putnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
B; B66; B66B; B66B23/00; B66B23/02; B65; B65G; B65G23/00; B65G2811/00; B65G2811/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1925-12-04 | 1926-06-05 | 1926-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-12-04 | 1930-06-05 | 1930-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-12-04 | 1934-06-05 | 1934-12-05 | $7700.00 | Window Closed / Lapsed |