Patent US3081567A successfully refreshed from Google Patents.
US3081567A
Expired / Lapsed
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Land leveling implement
Assignee: Individual
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Filing: 1961-12-22
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Granted: 1963-03-19
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Floyd E Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:00
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7663; E02F3/7668
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A LAND LEVELING IMPLEMENT COMPRISING A MOBILE FRAME HAVING A CENTER SECTION, A FRONT SECTION AND A REAR SECTION, STEERABLE WHEEL MEANS MOUNTED ON THE FRONT SECTION, STEERABLE WHEEL MEANS MOUNTED ON THE REAR SECTION, A PIVOTAL CONNECTION INTERCONNECTING THE FRONT SECTION AND THE CENTER SECTION, A PIVOTAL CONNECTION INTERCONNECTING THE REAR SECTION AND THE CENTER SECTION, EACH OF SAID PIVOTAL CONNECTIONS ENABLING RELATIVE PIVOTAL MOVEMENT ABOUT A TRANSVERSE AXIS, MEANS INTERCONNECTING SAID SECTIONS FOR SIMULTANEOUSLY SWINGING THE END SECTIONS ABOUT THEIR PIVOTAL CONNECTIONS WITH THE CENTER SECTION FOR RAISING AND
Claim 2
Dependent Claim
91 words
A LAND LEVELING IMPLEMENT COMPRISING A MOBILE FRAME HAVING A CENTER SECTION, A FRONT SECTION AND A REAR SECTION, STEERABLE WHEEL MEANS MOUNTED ON THE FRONT SECTION, STEERABLE WHEEL MEANS MOUNTED ON THE REAR SECTION, A PIVOTAL CONNECTION INTERCONNECTING THE FRONT SECTION AND THE CENTER SECTION, A PIVOTAL CONNECTION INTERCONNECTING THE REAR SECTION AND THE CENTER SECTION, EACH OF SAID PIVOTAL CONNECTIONS ENABLING RELATIVE PIVOTAL MOVEMENT ABOUT A TRANSVERSE AXIS, MEANS INTERCONNECTING SAID SECTIONS FOR SIMULTANEOUSLY SWINGING THE END SECTIONS ABOUT THEIR PIVOTAL CONNECTIONS WITH THE CENTER SECTION FOR RAISING AND
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |