Patent US3501197A successfully refreshed from Google Patents.
US3501197A
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Assignee: BURTON VICTORIA K
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Filing: 1968-06-20
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Granted: 1970-03-17
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Expires: 1988-06-20
Abstract
No abstract record available.
Inventors
- 👤 Arnold F Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:48
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; A47C31/11; A47C7/00; A47C7/36; A47C7/40; A47C7/42; A47C7/425; B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; Y; Y10; Y10S; Y10S297/00; Y10S297/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |