US3427752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge beveling machine for non-metallic sheets
Assignee: LEE H BARRON
•
Filing: 1966-09-12
•
Granted: 1969-02-18
•
Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Lee H Barron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:07
CPC Classifications
B; B24; B24B; B24B9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052837A
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US2183699A
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US2238704A
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US2315104A
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US2782570A
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US2802318A
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US2857671A
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US2830413A
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US3100954A
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US3324600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |