Patent US2472260A successfully refreshed from Google Patents.
US2472260A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1947-01-25
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Granted: 1949-06-07
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Expires: 1967-01-25
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Morrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:02
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/08; A01D78/14; A01D78/148; A01B; A01B35/00; A01B35/16; A01B39/00; A01B39/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US468382A
Cited
US720098A
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US740911A
Cited
US886681A
Cited
US1637644A
Cited
US2214073A
Cited
US2371076A
Cited
US2447354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |