US202735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in sleeve-supporters
Assignee: —
•
Filing: —
•
Granted: 1878-04-23
•
Expires: 1895-04-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:50
CPC Classifications
A; A41; A41F; A41F1/00; Y; Y10; Y10T; Y10T24/00; Y10T24/31; Y10T24/314; Y10T24/316; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3431; Y10T24/3433; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44479
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) | 1881-04-22 | 1881-10-22 | 1882-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-04-22 | 1885-10-22 | 1886-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-04-22 | 1889-10-22 | 1890-04-23 | $7700.00 | Window Closed / Lapsed |