US2844952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric tensioning method and mechanism
Assignee: Hemphill Co
•
Filing: 1955-05-05
•
Granted: 1958-07-29
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Expires: 1975-05-05
Abstract
No abstract record available.
Inventors
- 👤 Wawzonek Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:22
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2275276A
Cited
US2405162A
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US2485230A
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US2422514A
Cited
US2636364A
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US2709352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |