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US2969946A
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Assignee: PAUL K GUILLOW Inc
•
Filing: 1958-10-30
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Granted: 1961-01-31
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Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Louis J Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:03
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2023939A
Cited
US2097538A
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US2136717A
Cited
US2537560A
Cited
US2562789A
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US2785870A
Cited
US2739414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |