Patent US2787944A successfully refreshed from Google Patents.
US2787944A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1952-07-05
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Granted: 1957-04-09
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Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 Reynold M Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:49
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/20; A01C7/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2205997A
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US2332713A
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GB586025A
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US2415251A
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GB611324A
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FR967903A
Cited
FR986018A
Cited
US2547143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |