US3393765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise-muffle for spinner and twister spindles
Assignee: VNII OKHRANY TRUDA
•
Filing: 1965-07-27
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Granted: 1968-07-23
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Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Vitrinsky Igor Mikhailovich
- 👤 Iljashuk Jury Mikhailovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:49
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/20; D01H1/24; D01H1/241; D01H7/00; D01H7/02; D01H7/04; D01H7/045
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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |