Patent US2685906A successfully refreshed from Google Patents.
US2685906A
Expired / Lapsed
US
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Running inflation and deflation system
Assignee: Scovill Inc
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Filing: 1952-01-19
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Granted: 1954-08-10
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Expires: 1972-01-19
Abstract
No abstract record available.
Inventors
- 👤 Selden T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:08
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/001; B60C23/003; B60C23/00354; B60C23/00372; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/36; Y10T137/8593; Y10T137/86268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |