US3477098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing dry plastic pellets
Assignee: Black Clawson Co
•
Filing: 1967-06-20
•
Granted: 1969-11-11
•
Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 James L Swickard
- 👤 Paul H Koppehele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:00
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/02; B01J2/06; B29; B29B; B29B13/00; B29B13/06; B29B13/065; B29B9/00; B29B9/02; B29B9/06; B29B9/065; F; F26; F26B; F26B25/00; F26B25/06; F26B25/08; F26B3/00; F26B3/02; F26B3/06; F26B5/00; F26B5/08; F26B2200/00; F26B2200/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US650402A
Cited
US1832269A
Cited
US3050190A
Cited
US3207627A
Cited
US3268078A
Cited
US3230582A
Cited
US3316590A
Cited
US3225384A
Cited
US3341892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |