US3532277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyratory crusher
Assignee: Kloeckner Humboldt Deutz AG
•
Filing: 1968-05-20
•
Granted: 1970-10-06
•
Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Hanns Decker
- 👤 Heinz Hurtmanns
- 👤 Willy Jakobs
- 👤 Helmut Stockmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:15
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; B02C2/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079882A
Cited
US2667309A
Cited
GB770261A
Cited
US2833486A
Cited
US3227381A
Cited
US3417932A
Cited
US3372881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |