US3406624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood chip crusher
Assignee: Kimberly Clark Corp
•
Filing: 1966-11-10
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Granted: 1968-10-22
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Don H Kutchera
- 👤 Donald A Payant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:55
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A CHIP CRUSHER FOR WOOD CHIPS, A PAIR OF CYLINDRICAL COOPERATING ROLLS DEFINING A CRUSHINGG NIP AND ADAPTED FOR CRUSHING WOOD CHIPS, SPIRALED RELATIVELY NARROW RIBS UNI FORMLY SPACED CIRCUMFERENTIALLY ON AT LEAST ONE OF THE ROLLS AND PROJECTING TO A UNIFORM HEIGHT ABOVE THE ROLL FROM BETWEEN ABOUT 0.010 INCH TO ABOUT 0.020 INCH AND DESIGNED TO GRIP AND ROLL CHIPS PASSING IN SAID NIP TO EXERT A COM-
Claim 2
Dependent Claim
71 words
IN A CHIP CRUSHER FOR WOOD CHIPS, A PAIR OF CYLINDRICAL COOPERATING ROLLS DEFINING A CRUSHINGG NIP AND ADAPTED FOR CRUSHING WOOD CHIPS, SPIRALED RELATIVELY NARROW RIBS UNI FORMLY SPACED CIRCUMFERENTIALLY ON AT LEAST ONE OF THE ROLLS AND PROJECTING TO A UNIFORM HEIGHT ABOVE THE ROLL FROM BETWEEN ABOUT 0.010 INCH TO ABOUT 0.020 INCH AND DESIGNED TO GRIP AND ROLL CHIPS PASSING IN SAID NIP TO EXERT A COM-
References Cited (Backward Citations)
US292577A
Cited
US2306427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |