US2978203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension roller device
Assignee: American Thread Co
•
Filing: 1958-09-25
•
Granted: 1961-04-04
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Expires: 1978-09-25
Abstract
No abstract record available.
Inventors
- 👤 Westall Thomas Edison
- 👤 Leslie J Bennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:46
CPC Classifications
D; D05; D05B; D05B47/00; B; B65; B65H; B65H59/00; B65H59/10; B65H59/16; D02; D02H; D02H13/00; B65H2555/00; B65H2555/10; B65H2555/13; B65H2701/00; B65H2701/30; B65H2701/31; D05D; D05D2207/00; D05D2207/05; D05D2207/06
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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |