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Patent US1528778A successfully refreshed from Google Patents.
US1528778A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1921-07-21
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Granted: 1925-03-10
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Expires: 1941-07-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Millar
- 👤 George B Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:54
CPC Classifications
G; G07; G07F; G07F11/00; G07F11/02; G07F11/28
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) | 1928-03-09 | 1928-09-08 | 1929-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-09 | 1932-09-08 | 1933-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-09 | 1936-09-08 | 1937-03-10 | $7700.00 | Window Closed / Lapsed |