Patent US5091937A successfully refreshed from Google Patents.
US622690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
howell
Assignee: —
•
Filing: —
•
Granted: 1899-04-11
•
Expires: 1916-04-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:13
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/10; D06H7/12; Y; Y10; Y10T; Y10T29/00; Y10T29/11; Y10T29/1181; Y10T29/14; Y10T29/142; Y10T29/143; Y10T82/00; Y10T82/25
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) | 1902-04-11 | 1902-10-11 | 1903-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-04-11 | 1906-10-11 | 1907-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-04-11 | 1910-10-11 | 1911-04-12 | $7700.00 | Window Closed / Lapsed |