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US649346A
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Valve.
Assignee: JOHN A GRAM
•
Filing: 1898-06-03
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Granted: 1900-05-08
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Expires: 1918-06-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:27
CPC Classifications
E; E03; E03D; E03D3/00; E03D3/02; E03D3/04
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) | 1903-05-08 | 1903-11-07 | 1904-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-05-08 | 1907-11-07 | 1908-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-05-08 | 1911-11-07 | 1912-05-08 | $7700.00 | Window Closed / Lapsed |