Patent US2988247A successfully refreshed from Google Patents.
US2988247A
Expired / Lapsed
US
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Combined hopper, feeder and counter
Assignee: Individual
•
Filing: 1956-07-10
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Granted: 1961-06-13
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Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Burton R Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G47/1414; B65G47/1428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US800288A
Cited
US841471A
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US1372255A
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US1779866A
Cited
US2284698A
Cited
US2615556A
Cited
US2531099A
Cited
US2613374A
Cited
US2776073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |