US3489078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shredding type hammermill with automobile-flattening feeder
Assignee: Pettibone Corp
•
Filing: 1966-08-26
•
Granted: 1970-01-13
•
Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Oberhellmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:58
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/008; B30; B30B; B30B9/00; B30B9/32; Y; Y10; Y10S; Y10S100/00; Y10S100/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1656063A
Cited
US2150984A
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US2655213A
Cited
GB685576A
Cited
US2869793A
Cited
FR1115310A
Cited
US3202369A
Cited
US3326478A
Cited
US3335967A
Cited
US3283698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |