US635829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic regulating-weir.
Assignee: NEW YORK FILTER MANUFACTURING Co
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Filing: 1899-07-29
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Granted: 1899-10-31
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Expires: 1919-07-29
Abstract
No abstract record available.
Inventors
- 👤 Edmund B Weston
- 👤 Walter W Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:42
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0133; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7792
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) | 1902-10-31 | 1903-05-02 | 1903-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-10-31 | 1907-05-02 | 1907-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-10-31 | 1911-05-02 | 1911-11-01 | $7700.00 | Window Closed / Lapsed |