Patent US2999555A successfully refreshed from Google Patents.
US2999555A
Expired / Lapsed
US
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Motorized litter
Assignee: HARRY W BRELSFORD
•
Filing: 1957-08-29
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Granted: 1961-09-12
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Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Stroud Malcolm Brooks
- 👤 Greene Donald Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:14
CPC Classifications
A; A61; A61G; A61G1/00; A61G1/02; A61G1/0231; A61G1/0206; A61G1/0225; A61G1/0275; A61G1/04; A61G1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1198098A
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US1830400A
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US2313591A
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US2491824A
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US2567423A
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US2656894A
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US2761690A
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US2754131A
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US2855061A
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US2869661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |