US3175276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mill
Assignee: Caterpillar Inc
•
Filing: 1963-02-27
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Granted: 1965-03-30
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Expires: 1983-02-27
Abstract
No abstract record available.
Inventors
- 👤 Edward B Weber
- 👤 Jr John W Addler
- 👤 Henry A Volk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:58
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2239; B23C5/2252; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/192; Y10T407/1932; Y10T407/1952; Y10T407/196; Y10T407/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
IN A ROTARY MILL HEAD FOR A MILLING MACHINE WHICH HAS A PLURALITY OF PERIPHERALLY SPACED STATIONS PRESENTING POCKETS FOR THE RECEPTION OF HARDENED CUTTER INSERTS, THE IMPROVEMENT WHICH COMPRISES THE PROVISION OF POCKETS OF PROGRESSIVELY DIMINISHING SIZE IN SUCCEEDING STATIONS
Claim 2
Dependent Claim
41 words
IN A ROTARY MILL HEAD FOR A MILLING MACHINE WHICH HAS A PLURALITY OF PERIPHERALLY SPACED STATIONS PRESENTING POCKETS FOR THE RECEPTION OF HARDENED CUTTER INSERTS, THE IMPROVEMENT WHICH COMPRISES THE PROVISION OF POCKETS OF PROGRESSIVELY DIMINISHING SIZE IN SUCCEEDING STATIONS
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |