Patent US3493979A successfully refreshed from Google Patents.
US3493979A
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US
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Method and apparatus for moving objects
Assignee: Advance Products Corp
•
Filing: 1968-02-14
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Granted: 1970-02-10
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Expires: 1988-02-14
Abstract
No abstract record available.
Inventors
- 👤 Laurel A Koll
- 👤 Walter B Crook Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:17
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1019; A61G7/1025; A61G7/1032; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1057; B; B65; B65G; B65G7/00; B65G7/02; A61G2200/00; A61G2200/30; A61G2200/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2926797A
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US2984842A
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US3064837A
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US3209932A
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US3337066A
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US3383717A
Cited
US3418670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |