US3152977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll for marking metal strip
Assignee: United States Steel Corp
•
Filing: 1960-12-08
•
Granted: 1964-10-13
•
Expires: 1980-12-08
Abstract
No abstract record available.
Inventors
- 👤 George A Bartholomew
- 👤 Richard F Higgs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:48
CPC Classifications
C; C25; C25F; C25F7/00; C25F3/00; C25F3/02; C25F3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |