US3061159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air actuated self-energizing tensioning system
Assignee: A C T Inc
•
Filing: 1958-09-15
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Granted: 1962-10-30
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Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Paul W Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/24; B65H23/18; B65H23/188; B65H23/1888; B65H2301/00; B65H2301/30; B65H2301/31; B65H2301/311; B65H2301/31122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US545674A
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US782909A
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FR330788A
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US1629154A
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US1957148A
Cited
US2620183A
Cited
US2778634A
Cited
US2796223A
Cited
GB770969A
Cited
US2955732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |