Patent US914799A successfully refreshed from Google Patents.
US914799A
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Relief mechanism for pressure-exerting machines.
Assignee: Williams White and Co
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Filing: 1907-06-04
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Granted: 1909-03-09
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Expires: 1927-06-04
Abstract
No abstract record available.
Inventors
- 👤 William A Cornbrooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:13
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/08; B21J13/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1816; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148; Y10T74/2149
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) | 1912-03-08 | 1912-09-07 | 1913-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-03-08 | 1916-09-07 | 1917-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-03-08 | 1920-09-07 | 1921-03-09 | $7700.00 | Window Closed / Lapsed |