US3472298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum shredder
Assignee: ALEXANDR ALEXANDROVICH OMELCHE
•
Filing: 1967-01-27
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Granted: 1969-10-14
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Expires: 1987-01-27
Abstract
No abstract record available.
Inventors
- 👤 Anatoly Sergeevich Vinogradov
- 👤 Vladimir Evgenievic Zaushitsyn
- 👤 Vasily Denisovich Tkach
- 👤 Alexandr Alexandrov Omelchenko
- 👤 Ruvim Davydovich Pogrebitsky
- 👤 Vladimir Falkovich Minovsky
- 👤 Ivan Vasilievich Ivanov
- 👤 Vladimir Grigorievich Malomuzh
- 👤 Evgeny Ivanovich Khrapach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:48
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2027; A01F2025/2063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2634962A
Cited
US2908337A
Cited
US3044753A
Cited
US3078892A
Cited
US3103241A
Cited
US3153435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |