US2624318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic servomotor
Assignee: Rheem Manufacturing Co
•
Filing: 1946-06-24
•
Granted: 1953-01-06
•
Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert B Walder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:40
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/06; F15B11/072; F15B11/076; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/216; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41527; F15B2211/41536; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7055; F15B2211/75; F15B2211/80; F15B2211/885; F15B2211/8855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1832618A
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US789566A
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US897676A
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US1594944A
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US1824833A
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US1825233A
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AU166731A
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US2365247A
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US2314404A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |