US3100374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveler ring assemblies
Assignee: Individual
•
Filing: 1962-07-11
•
Granted: 1963-08-13
•
Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Backus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:47
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/52; D01H7/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A TRAVELER RING ASSEMBLY COMPRISING A BASE RING, MEANS SECURING SAID RING TO A RAIL FRAME, A PLURALITY OF CIRCUMFERENTIALLY DISPOSED UPWARDLY INCLINED CAM SURFACES ON A TOP SURFACE OF SAID BASE RING, A LOWER TRAVELER GUIDING RING CLAMPED BETWEEN THE RAIL FRAME AND THE BASE RING AND OVERLYING THE INNER PERIPHERAL WALL OF SAID BASE RING, AN UPPER TRAVELER GUIDING RING SEATED ON SAID BASE RING, A PLURALITY OF CIRCUMFERENTIALLY DISPOSED UPWARDLY INCLINED CAM SURFACES ON THE BOTTOM SURFACE OF THE UPPER TRAVELER GUIDING RING, SAID UPPER TRAVELER GUIDING RING CAM SURFACES SEATING ON THE BASE RING CAM SURFACES AND BEING ROTATABLE RELATIVE TO THE BASE RING TO VARY THE EFFECTIVE HIGHTH OF THE UPPER TRAVELER GUIDING RING, AND MEANS TO LOCK THE UPPER TRAVELER RING IN POSITIONS OF RELATIVE ADJUSTMENT.
Claim 2
Dependent Claim
132 words
A TRAVELER RING ASSEMBLY COMPRISING A BASE RING, MEANS SECURING SAID RING TO A RAIL FRAME, A PLURALITY OF CIRCUMFERENTIALLY DISPOSED UPWARDLY INCLINED CAM SURFACES ON A TOP SURFACE OF SAID BASE RING, A LOWER TRAVELER GUIDING RING CLAMPED BETWEEN THE RAIL FRAME AND THE BASE RING AND OVERLYING THE INNER PERIPHERAL WALL OF SAID BASE RING, AN UPPER TRAVELER GUIDING RING SEATED ON SAID BASE RING, A PLURALITY OF CIRCUMFERENTIALLY DISPOSED UPWARDLY INCLINED CAM SURFACES ON THE BOTTOM SURFACE OF THE UPPER TRAVELER GUIDING RING, SAID UPPER TRAVELER GUIDING RING CAM SURFACES SEATING ON THE BASE RING CAM SURFACES AND BEING ROTATABLE RELATIVE TO THE BASE RING TO VARY THE EFFECTIVE HIGHTH OF THE UPPER TRAVELER GUIDING RING, AND MEANS TO LOCK THE UPPER TRAVELER RING IN POSITIONS OF RELATIVE ADJUSTMENT.
References Cited (Backward Citations)
US843810A
Cited
US2533503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |