US3451659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant for conditioning free-flowing hardening mixture
Assignee: Individual
•
Filing: 1967-11-08
•
Granted: 1969-06-24
•
Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 Petr Nikitich Tobolov
- 👤 Jury Arkadievich Kriger
- 👤 Ivan Petrovich Litvinov
- 👤 Ismagil Gareevich Bashirov
- 👤 Mikhail Viktorovich Fildshtein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:21
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/04; B22C5/0409; B22C5/0463; B01; B01F; B01F27/00; B01F27/60; B01F27/70; B01F27/701; B01F27/702
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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |