Patent US2409101A successfully refreshed from Google Patents.
Patent US2792102A successfully refreshed from Google Patents.
US2792102A
Expired / Lapsed
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Elevating and conveying apparatus
Assignee: MARGARET VERNIE SCHUCHERT
•
Filing: 1953-05-18
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Granted: 1957-05-14
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:03
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/12; A01D87/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US357145A
Cited
US469293A
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US530296A
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US767162A
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US1898120A
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US1982824A
Cited
US2219055A
Cited
GB669838A
Cited
US2729345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |