US2710153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web tension control system
Assignee: Research Corp
•
Filing: 1954-03-11
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Granted: 1955-06-07
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Expires: 1974-03-11
Abstract
No abstract record available.
Inventors
- 👤 Jr William Baumrucker
- 👤 Clarence M Flint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:48
CPC Classifications
D; D06; D06C; D06C23/00; B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/182; B65H23/1825; B65H23/24; B65H23/245; D06B; D06B3/00; D06B3/34; D06B3/345; D21; D21D; D21D5/00; D21D5/02; D21D5/04; B65H2408/00; B65H2408/20; B65H2408/21; B65H2408/215; D06C2700/00; D06C2700/31
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) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |