Patent US1602008A successfully refreshed from Google Patents.
US1602008A
Expired / Lapsed
US
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Air turbine
Assignee: CHARLES A CHAMBERS
•
Filing: 1922-04-18
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Granted: 1926-10-05
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Expires: 1942-04-18
Abstract
No abstract record available.
Inventors
- 👤 Germeyer Charles Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/08; F04D17/16; F04D17/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-10-04 | 1930-04-05 | 1930-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-04 | 1934-04-05 | 1934-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-04 | 1938-04-05 | 1938-10-05 | $7700.00 | Window Closed / Lapsed |