US2601030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal blower
Assignee: PETERSEN OVEN CO
•
Filing: 1948-11-29
•
Granted: 1952-06-17
•
Expires: 1968-11-29
Abstract
No abstract record available.
Inventors
- 👤 Klein Chris
- 👤 Richard C Skarin
- 👤 William G Tinker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:56
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/58; F04D29/582; F04D29/5853; F04D25/00; F04D25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US390508A
Cited
US616590A
Cited
GB190601033A
Cited
FR555385A
Cited
US1773909A
Cited
DE612382C
Cited
US2441121A
Cited
US2439127A
Cited
US2518815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |