Patent US5502628A successfully refreshed from Google Patents.
US3357366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track tamping machine
Assignee: Individual
•
Filing: 1966-02-17
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Granted: 1967-12-12
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Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Plasser Franz
- 👤 Theurer Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:51
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12; E01B27/13; E01B27/16; E01B27/17; E01B2203/00; E01B2203/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A MACHINE FOR TAMPING BALLAST UNDERNEATH A TRACK INCLUDING RAILS SUPPORTED ON A PLURALITY OF SPACED TIES RESTING ON THE BALLAST, SAID MACHINE COMPRISING (1) A CARRIAGE FRAME; AND (2) A TRACK TAMPING ASSEMBLY MOUNTED ON SAID FRAME, THE ASSEMBLY INCLUDING (A) TWO PAIRS OF OPPOSED TAMPING TOOLS, SAID PAIRS OF TOOLS BEING SPACED FROM EACH OTHER IN THE DIRECTION OF ELONGATION OF THE TRACK, THE SPACING BETWEEN SAID PAIRS OF TOOLS BEING SUCH THAT THE TOOLS OF EACH PAIR, WHICH ARE ADJACENT TO EACH OTHER, ARE AT A SMALLER DISTANCE FROM EACH OTHER THAN THE DISTANCE BETWEEN ADJACENT ONES OF SAID
Claim 2
Dependent Claim
102 words
A MACHINE FOR TAMPING BALLAST UNDERNEATH A TRACK INCLUDING RAILS SUPPORTED ON A PLURALITY OF SPACED TIES RESTING ON THE BALLAST, SAID MACHINE COMPRISING (1) A CARRIAGE FRAME; AND (2) A TRACK TAMPING ASSEMBLY MOUNTED ON SAID FRAME, THE ASSEMBLY INCLUDING (A) TWO PAIRS OF OPPOSED TAMPING TOOLS, SAID PAIRS OF TOOLS BEING SPACED FROM EACH OTHER IN THE DIRECTION OF ELONGATION OF THE TRACK, THE SPACING BETWEEN SAID PAIRS OF TOOLS BEING SUCH THAT THE TOOLS OF EACH PAIR, WHICH ARE ADJACENT TO EACH OTHER, ARE AT A SMALLER DISTANCE FROM EACH OTHER THAN THE DISTANCE BETWEEN ADJACENT ONES OF SAID
References Cited (Backward Citations)
US2734463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |