Patent US3101072A successfully refreshed from Google Patents.
US3101072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hog oiler
Assignee: Individual
•
Filing: 1961-04-10
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Granted: 1963-08-20
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Louis A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:34
CPC Classifications
A; A01; A01K; A01K13/00; A01K13/0034; A01K13/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
ANIMAL RUBBING APPARATUS COMPRISING A HORIZONTALLY EXTENDING BASE, A SUPPORT EXTENDING UPWARDLY FROM SAID BASE AND ACTING AS AN OIL RESERVOIR, MEANS FOR MAINTAINING THE OIL WITHIN SAID RESERVOIR AT A CONSTANT LEVEL, A CHAIN SECURED ADJACENT ONE END TO SAID BASE, A WEIGHT SECURED TO THE OTHER END OF SAID CHAIN AND HANGING THEREON IN SAID RESERVOIR, SAID CHAIN BEING SUFFICIENTLY LONG THAT ITS OTHER END IS SUBMERGED WITHIN THE OIL IN SAID RESERVOIR WHEREBY AN ANIMAL RUBBING OR FORCING AGAINST SAID CHAIN TENDS TO DRAW THE OTHER END OF THE CHAIN UPWARDLY AND TO CAUSE THE OIL ABOUT THE OTHER END OF THE CHAIN TO RUN DOWN THE CHAIN TOWARD THE BASE, SAID SUPPORT HAVING SLOTS FORMED THEREIN THROUGH WHICH SAID CHAINS EXTEND, SAID SLOTS TERMINATING AT THEIR LOWER ENDS IN THICKENED BEARING PORTIONS UPON WHICH SAID CHAINS BEAR, AND A HELICAL ELEMENT SECURED TO THE OUTSIDE OF SAID SUPPORT, THE ADJACENT CONVOLUTIONS OF SAID HELICAL ELEMENT BEING SPACED FROM ONE ANOTHER TO SPREAD OIL OVER THE SURFACE OF SAID SUPPORT.
Claim 2
Dependent Claim
173 words
ANIMAL RUBBING APPARATUS COMPRISING A HORIZONTALLY EXTENDING BASE, A SUPPORT EXTENDING UPWARDLY FROM SAID BASE AND ACTING AS AN OIL RESERVOIR, MEANS FOR MAINTAINING THE OIL WITHIN SAID RESERVOIR AT A CONSTANT LEVEL, A CHAIN SECURED ADJACENT ONE END TO SAID BASE, A WEIGHT SECURED TO THE OTHER END OF SAID CHAIN AND HANGING THEREON IN SAID RESERVOIR, SAID CHAIN BEING SUFFICIENTLY LONG THAT ITS OTHER END IS SUBMERGED WITHIN THE OIL IN SAID RESERVOIR WHEREBY AN ANIMAL RUBBING OR FORCING AGAINST SAID CHAIN TENDS TO DRAW THE OTHER END OF THE CHAIN UPWARDLY AND TO CAUSE THE OIL ABOUT THE OTHER END OF THE CHAIN TO RUN DOWN THE CHAIN TOWARD THE BASE, SAID SUPPORT HAVING SLOTS FORMED THEREIN THROUGH WHICH SAID CHAINS EXTEND, SAID SLOTS TERMINATING AT THEIR LOWER ENDS IN THICKENED BEARING PORTIONS UPON WHICH SAID CHAINS BEAR, AND A HELICAL ELEMENT SECURED TO THE OUTSIDE OF SAID SUPPORT, THE ADJACENT CONVOLUTIONS OF SAID HELICAL ELEMENT BEING SPACED FROM ONE ANOTHER TO SPREAD OIL OVER THE SURFACE OF SAID SUPPORT.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |