Patent US3136490A successfully refreshed from Google Patents.
US3136490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mulling machines
Assignee: Richards Structural Steel Co Ltd
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Filing: 1962-01-15
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Granted: 1964-06-09
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Doughty Kenneth Herbert George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/04; B22C5/0409; B22C5/0422; B22C5/0427
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A MULLING MACHINE COMPRISING A CRIB WITH A BOTTOM BEDPLATE, AT LEAST ONE MULLING WHEEL ROTATABLE OVER SAID BEDPLATE, A STRUCTURE SUPPORTING SAID MULLING WHEEL, DRIVING MEANS FOR ROTATING SAID STRUCTURE TO TRAVERSE THE MULLING WHEEL AROUND SAID CRIB, AT LEAST ONE PLOUGH BLADE CAR-
Claim 2
Dependent Claim
45 words
A MULLING MACHINE COMPRISING A CRIB WITH A BOTTOM BEDPLATE, AT LEAST ONE MULLING WHEEL ROTATABLE OVER SAID BEDPLATE, A STRUCTURE SUPPORTING SAID MULLING WHEEL, DRIVING MEANS FOR ROTATING SAID STRUCTURE TO TRAVERSE THE MULLING WHEEL AROUND SAID CRIB, AT LEAST ONE PLOUGH BLADE CAR-
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |