US3303918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freezing chamber conveyor
Assignee: NAT IND EQUIPMENT CO
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Filing: 1965-06-14
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Granted: 1967-02-14
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Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Larson Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:44
CPC Classifications
F; F25; F25D; F25D25/00; F25D25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A FREEZING CHAMBER CONVEYOR COMPRISING AN ELONGATED FRAME; VERTICALLY ARRANGED JOURNALS ON SAID FRAME ADJACENT THE OPPOSITE ENDS THEREOF; A PAIR OF UPRIGHT SHAFTS MOUNTED IN SAID JOURNALS FOR ROTATION ABOUT VERTICAL AXES; PLANAR, CIRCULAR PLATFORMS ON SAID SHAFTS EXTENDING PERPENDICULARLY TO SAID AXES, SAID PLATFORMS BEING AT DIFFERENT LEVELS ON SAID SHAFTS; A GUIDE BAR ON SAID FRAME SPACED FROM BUT APPROXIMATELY CURVED AROUND SAID PLATFORMS AND MERGING WITH SAID GUIDE BAR; A CONVEYOR MOUNTED AT AN INCLINATION ON SAID FRAME AND EXTENDING BETWEEN SAID PLATFORMS, SAID CONVEYOR INCLUDING A RELATIVELY LONG CHAIN RUN ADJACENT SAID GUIDE BAR AND A RELATIVELY SHORT CHAIN RUN REMOTE FROM SAID GUIDE BAR; AND MEANS ON SAID FRAME FOR SIMULTANEOUSLY ROTATING SAID SHAFTS AND ADVANCING SAID CONVEYOR.
Claim 2
Dependent Claim
124 words
A FREEZING CHAMBER CONVEYOR COMPRISING AN ELONGATED FRAME; VERTICALLY ARRANGED JOURNALS ON SAID FRAME ADJACENT THE OPPOSITE ENDS THEREOF; A PAIR OF UPRIGHT SHAFTS MOUNTED IN SAID JOURNALS FOR ROTATION ABOUT VERTICAL AXES; PLANAR, CIRCULAR PLATFORMS ON SAID SHAFTS EXTENDING PERPENDICULARLY TO SAID AXES, SAID PLATFORMS BEING AT DIFFERENT LEVELS ON SAID SHAFTS; A GUIDE BAR ON SAID FRAME SPACED FROM BUT APPROXIMATELY CURVED AROUND SAID PLATFORMS AND MERGING WITH SAID GUIDE BAR; A CONVEYOR MOUNTED AT AN INCLINATION ON SAID FRAME AND EXTENDING BETWEEN SAID PLATFORMS, SAID CONVEYOR INCLUDING A RELATIVELY LONG CHAIN RUN ADJACENT SAID GUIDE BAR AND A RELATIVELY SHORT CHAIN RUN REMOTE FROM SAID GUIDE BAR; AND MEANS ON SAID FRAME FOR SIMULTANEOUSLY ROTATING SAID SHAFTS AND ADVANCING SAID CONVEYOR.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |