US2916072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Registration of corrugated tapes
Assignee: AT&T Inc
•
Filing: 1957-07-09
•
Granted: 1959-12-08
•
Expires: 1977-07-09
Abstract
No abstract record available.
Inventors
- 👤 Cecil A Hallam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:14
CPC Classifications
B; B21; B21D; B21D13/00; B21D13/04; B23; B23K; B23K20/00; B23K20/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1677309A
Cited
US2050512A
Cited
US2542298A
Cited
US2586286A
Cited
US2661525A
Cited
US2794376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |