US2776799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Size reduction apparatus
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-07-15
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Granted: 1957-01-08
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Expires: 1974-07-15
Abstract
No abstract record available.
Inventors
- 👤 Peter H Spitz
- 👤 Daniel S Borey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:07
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; B; B02; B02C; B02C19/00; B02C19/06; B02C19/066; C10G; C10G9/00; C10G9/28; C10G9/32
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) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |