Patent US4633426A successfully refreshed from Google Patents.
US323364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
pfaudler
Assignee: —
•
Filing: —
•
Granted: 1885-07-28
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Expires: 1902-07-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:29
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0636; G05D16/0638; G05D16/0641; G05D16/0644; G05D16/0655; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7805
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) | 1888-07-27 | 1889-01-26 | 1889-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-07-27 | 1893-01-26 | 1893-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-07-27 | 1897-01-26 | 1897-07-28 | $7700.00 | Window Closed / Lapsed |