Patent US6356874B1 successfully refreshed from Google Patents.
US2712296A
Expired / Lapsed
US
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Registration indicator for corrugated tapes
Assignee: AT&T Inc
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Filing: 1953-11-06
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Granted: 1955-07-05
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Expires: 1973-11-06
Abstract
No abstract record available.
Inventors
- 👤 Henry C Slechta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:12
CPC Classifications
B; B21; B21D; B21D13/00; B21D13/04; H; H01; H01B; H01B13/00; H01B13/0009; Y; Y10; Y10S; Y10S242/00; Y10S242/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |