US3522643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient table roller
Assignee: Bethlehem Steel Corp
•
Filing: 1967-09-15
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Granted: 1970-08-04
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Expires: 1987-09-15
Abstract
No abstract record available.
Inventors
- 👤 Robert L Winkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:36
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B21; B21B; B21B39/00; B21B39/008; B65G39/06; F; F16; F16C; F16C13/00; B21B2203/00; B21B2203/44; B21B27/00; B21B27/02; B21B27/03; B21B27/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |