Patent US3348313A successfully refreshed from Google Patents.
US3348313A
Expired / Lapsed
US
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Device for detecting surface elevations in sheet material
Assignee: Individual
•
Filing: 1964-09-16
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Granted: 1967-10-24
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Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Urmenyi Laszlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:33
CPC Classifications
D; D06; D06H; D06H3/00; D06H3/10; B; B65; B65H; B65H26/00; B65H26/02; G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/08; G01B7/087; G01B7/10; G01B7/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925904A
Cited
US1880802A
Cited
US2730807A
Cited
US2870403A
Cited
US3000101A
Cited
US2932089A
Cited
US3065415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |