US3467507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing nonwoven fiber material
Assignee: VLADIMIR ALEXANDROVICH KULAKOV
•
Filing: 1966-05-12
•
Granted: 1969-09-16
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Expires: 1986-05-12
Abstract
No abstract record available.
Inventors
- 👤 Galya Dmitrievna Andreevskaya
- 👤 Alexandr Dmitrievich Bernatsky
- 👤 Abram Elkunovich Gudelman
- 👤 Zelman Moiseevich Volovich
- 👤 Alexandr Tosifovich Zektser
- 👤 Eduard Semenovich Zelensky
- 👤 Kuzma Nikitich Kiselev
- 👤 Nikolai Fedorovich Kozlov
- 👤 Vladimir Alexandrov Kulakovsky
- 👤 Semen Moiseevich Polischuk
- 👤 Vasily Petrovich Sveshnikov
- 👤 Vladimir Mikhailovi Sheinblujm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:19
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2129273A
Cited
US2654139A
Cited
US2691852A
Cited
US2753677A
Cited
US2951003A
Cited
US3046180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |