Patent US554091A successfully refreshed from Google Patents.
US554091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washboard-holder
Assignee: —
•
Filing: —
•
Granted: 1896-02-04
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Expires: 1913-02-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:36
CPC Classifications
D; D06; D06F; D06F3/00; D06F3/02; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3429; Y10T24/44; Y10T24/44256; Y10T24/44291; Y10T24/44368; Y10T24/44966; Y10T24/44974
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) | 1899-02-03 | 1899-08-05 | 1900-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-02-04 | 1903-08-06 | 1904-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-02-04 | 1907-08-06 | 1908-02-05 | $7700.00 | Window Closed / Lapsed |