US2798659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct drive blower
Assignee: Redmond Co Inc
•
Filing: 1954-07-16
•
Granted: 1957-07-09
•
Expires: 1974-07-16
Abstract
No abstract record available.
Inventors
- 👤 James W Tweedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:48
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/08; F04D17/16; F04D17/162; F04D29/00; F04D29/60; F04D29/62; F04D29/624; F04D29/626
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1935538A
Cited
US1921218A
Cited
US2297049A
Cited
US2476515A
Cited
US2482847A
Cited
US2686630A
Cited
US2661894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |