Patent US2766935A successfully refreshed from Google Patents.
US2766935A
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US
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Assignee: Individual
•
Filing: 1952-06-11
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Granted: 1956-10-16
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Expires: 1972-06-11
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:31
CPC Classifications
A; A63; A63B; A63B55/00; A63B55/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US321365A
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US322611A
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US583260A
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US597272A
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GB189401936A
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US882191A
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US967297A
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US1160779A
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US1671012A
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US1711819A
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US2276494A
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US2564828A
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US2580538A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |