US136582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in foot-warming attachments for sewing-machine treadles
Assignee: —
•
Filing: —
•
Granted: 1873-03-11
•
Expires: 1890-03-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:30
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/02; D05B69/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1876-03-10 | 1876-09-09 | 1877-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-03-10 | 1880-09-09 | 1881-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-03-10 | 1884-09-09 | 1885-03-11 | $7700.00 | Window Closed / Lapsed |