US3198135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable apparatus useful in track grading
Assignee: Individual
•
Filing: 1962-03-12
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Granted: 1965-08-03
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Plasser Franz
- 👤 Theurer Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:14
CPC Classifications
E; E01; E01B; E01B35/00; B; B21; B21C; B21C47/00; B21C47/34; B21C47/3466; B21C47/3475; E01B2203/00; E01B2203/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN APPARATUS MOVABLE ON TWO TRACK RAILS AND USEFUL IN TRACK GRADING OPERATIONS WHEREIN THE RAILS ARE LEVELED IN RELATION TO TWO REFERENCE LINES DEFINING VERTICAL PLANES WITH RESPECTIVE ONES OF SAID RAILS, COMPRISING (A) MEANS ARRANGED FOR ENGAGEMENT WITH, AND MOVABLE ON, SAID TRACK RAILS; (B) A FRAME MOUNTED ON SAID MOVABLE MEANS; (C) A FIRST MEANS ARRANGED FOR CONTACTING ENGAGEMENT WITH ONE OF SAID REFERENCE LINES; (D) MEANS FOR VERTICALLY ADJUSTABLY MOUNTING SAID FIRST MEANS ON SAID FRAME; (E) A SECOND MEANS ARRANGED FOR CONTACTING ENGAGEMENT WITH THE OTHER ONE OF SAID REFERECNE LINES; (F) ADDITIONAL MEANS FOR VERTICALLY ADJUSTABLY MOUNTING SAID SECOND MEANS ON SAID FRAME; (G) MECHANICAL DRIVE MEANS FOR VERTICALLY ADJUSTING SAID ADDITIONAL MEANS; (H) A MEANS MOUNTED ON SAID FRAME FOR INDICATING THE VERTICAL POSITION OF SAID REFERENCE LINES RELATIVE TO EACH
Claim 2
Independent Claim
138 words
AN APPARATUS MOVABLE ON TWO TRACK RAILS AND USEFUL IN TRACK GRADING OPERATIONS WHEREIN THE RAILS ARE LEVELED IN RELATION TO TWO REFERENCE LINES DEFINING VERTICAL PLANES WITH RESPECTIVE ONES OF SAID RAILS, COMPRISING (A) MEANS ARRANGED FOR ENGAGEMENT WITH, AND MOVABLE ON, SAID TRACK RAILS; (B) A FRAME MOUNTED ON SAID MOVABLE MEANS; (C) A FIRST MEANS ARRANGED FOR CONTACTING ENGAGEMENT WITH ONE OF SAID REFERENCE LINES; (D) MEANS FOR VERTICALLY ADJUSTABLY MOUNTING SAID FIRST MEANS ON SAID FRAME; (E) A SECOND MEANS ARRANGED FOR CONTACTING ENGAGEMENT WITH THE OTHER ONE OF SAID REFERECNE LINES; (F) ADDITIONAL MEANS FOR VERTICALLY ADJUSTABLY MOUNTING SAID SECOND MEANS ON SAID FRAME; (G) MECHANICAL DRIVE MEANS FOR VERTICALLY ADJUSTING SAID ADDITIONAL MEANS; (H) A MEANS MOUNTED ON SAID FRAME FOR INDICATING THE VERTICAL POSITION OF SAID REFERENCE LINES RELATIVE TO EACH
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |