US2934022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable output control for blowers
Assignee: STEAM O MATIC CORP
•
Filing: 1958-07-23
•
Granted: 1960-04-26
•
Expires: 1978-07-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Rodick
- 👤 Vernon F Rodick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:49
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/004; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1945553A
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US2587130A
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US2757613A
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US2816506A
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US2725729A
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US2798421A
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |