Patent US3334592A successfully refreshed from Google Patents.
US3334592A
Expired / Lapsed
US
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Apparatus designed for track surveying
Assignee: Individual
•
Filing: 1964-11-19
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Granted: 1967-08-08
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Plasser Franz
- 👤 Theurer Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:31
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/08; E; E01; E01B; E01B35/00; E01B35/02; E01B35/04; E01B2203/00; E01B2203/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A TRACK SURVEYING CARRIAGE COMPRISING WHEELS MOUNTED FOR MOBILITY ON TWO TRACK RAILS AND A PAIR OF JACK SHOES SELECTIVELY MOVABLE IN A GENERALLY HORIZONTAL PLANE TO PRESS A SELECTED ONE OF SAID JACK SHOES AGAINST THE INSIDE OF ONE OF THE RAILS TO MOVE THE CARRIAGE IN SAID PLANE AND FORCE THE WHEELS MOUNTED ON THE OTHER RAIL INTO FLUSH ENGAGEMENT THEREWITH.
Claim 2
Dependent Claim
63 words
A TRACK SURVEYING CARRIAGE COMPRISING WHEELS MOUNTED FOR MOBILITY ON TWO TRACK RAILS AND A PAIR OF JACK SHOES SELECTIVELY MOVABLE IN A GENERALLY HORIZONTAL PLANE TO PRESS A SELECTED ONE OF SAID JACK SHOES AGAINST THE INSIDE OF ONE OF THE RAILS TO MOVE THE CARRIAGE IN SAID PLANE AND FORCE THE WHEELS MOUNTED ON THE OTHER RAIL INTO FLUSH ENGAGEMENT THEREWITH.
References Cited (Backward Citations)
US2962979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |