US633415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-actuating device.
Assignee: ELIZA J BOYDEN
•
Filing: 1898-06-14
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Granted: 1899-09-19
•
Expires: 1918-06-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Batchelor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:31
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/0426; F01; F01D; F01D17/00; F01D17/20; F01D17/22; F01D17/26
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) | 1902-09-19 | 1903-03-21 | 1903-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-09-19 | 1907-03-21 | 1907-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-09-19 | 1911-03-21 | 1911-09-20 | $7700.00 | Window Closed / Lapsed |