Patent US4501959A successfully refreshed from Google Patents.
Patent US754038A successfully refreshed from Google Patents.
US754038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governing mechanism.
Assignee: Individual
•
Filing: 1902-03-26
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Granted: 1904-03-08
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Expires: 1922-03-26
Abstract
No abstract record available.
Inventors
- 👤 Philip De C Ball
- 👤 Charles L Wakefield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:46
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/08; G05D13/10; F; F15; F15B; F15B13/00; F15B13/02; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525
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) | 1907-03-08 | 1907-09-07 | 1908-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-08 | 1911-09-07 | 1912-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-08 | 1915-09-07 | 1916-03-08 | $7700.00 | Window Closed / Lapsed |