Patent US2973109A successfully refreshed from Google Patents.
US2973109A
Expired / Lapsed
US
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Apparatus for stacking apertured plates
Assignee: Individual
•
Filing: 1949-10-07
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Granted: 1961-02-28
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Expires: 1969-10-07
Abstract
No abstract record available.
Inventors
- 👤 Edward O Gable
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/68; B65G47/525; B65G47/682; B65G47/71; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |