US2843995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread suction installations for spinning machines
Assignee: Pneumafil Corp
•
Filing: 1952-10-09
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Granted: 1958-07-22
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Expires: 1972-10-09
Abstract
No abstract record available.
Inventors
- 👤 Furstenberg Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:32
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/60; D01H5/66; D01H5/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR12830E
Cited
US1117962A
Cited
US1923124A
Cited
US2186786A
Cited
GB576343A
Cited
US2511497A
Cited
US2522250A
Cited
CH255927A
Cited
GB652661A
Cited
CH269764A
Cited
US2550099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |