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Patent US3056144A successfully refreshed from Google Patents.
US3056144A
Expired / Lapsed
US
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Reciprocating bed units
Assignee: Individual
•
Filing: 1959-08-24
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Granted: 1962-10-02
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Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Roe L Mckinley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:56
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1439619A
Cited
US1733115A
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US1909204A
Cited
US2074371A
Cited
US2609863A
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US2570676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |