Patent US1498978A successfully refreshed from Google Patents.
US1498978A
Expired / Lapsed
US
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Windmill and the like
Assignee: Individual
•
Filing: 1921-11-10
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Granted: 1924-06-24
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Expires: 1941-11-10
Abstract
No abstract record available.
Inventors
- 👤 Muntz William Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:23
CPC Classifications
F; F03; F03D; F03D13/00; F03D13/20; F03D1/00; F03D1/02; F03D1/025; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/728
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) | 1927-06-24 | 1927-12-24 | 1928-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-06-24 | 1931-12-24 | 1932-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-06-24 | 1935-12-24 | 1936-06-24 | $7700.00 | Window Closed / Lapsed |