US3174562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auger boring machine
Assignee: George Stow and Co Ltd
•
Filing: 1962-08-20
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Granted: 1965-03-23
•
Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Stow George Raymond Snewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:20
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/003; E21B7/005; E21B19/00; E21B19/08; E21B19/086; E21B7/20; E21B7/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A BORING APPARATUS COMPRISING: A MAIN FRAME; A TOOL CARRIAGE MOUNTED ON SAID FRAME FOR LONGITUDINAL MOVEMENT THEREON; A BORE LINING TUBE CARRIAGE MOUNTED ON SAID FRAME FOR LONGITUDINAL MOVEMENT THEREON, INDE-. PENDENTLY OF SAID TOOL CARRIAGE; MEANS FOR RELEASABLY COUPLING SAID CARRIAGES TOGETHER FOR MOVEMENT IN UNISON ALONG SAID FRAME; HYDRAULICALLY OPERABLE FEED MEANS ON SAID FRAME AND CONNECTED TO ONE OF SAID CARRIAGES FOR MOVING THE SAME LONGITUDINALLY THEREON; A DRIVE MOTOR ON SAID TOOL CARRIAGE FOR ROTATING A TOOL THEREON; AND HOLDING MEANS ON SAID BORE LINING TUBE CARRIAGE FOR HOLDING A BORE LINING TUBE THERETO.
Claim 2
Dependent Claim
99 words
A BORING APPARATUS COMPRISING: A MAIN FRAME; A TOOL CARRIAGE MOUNTED ON SAID FRAME FOR LONGITUDINAL MOVEMENT THEREON; A BORE LINING TUBE CARRIAGE MOUNTED ON SAID FRAME FOR LONGITUDINAL MOVEMENT THEREON, INDE-. PENDENTLY OF SAID TOOL CARRIAGE; MEANS FOR RELEASABLY COUPLING SAID CARRIAGES TOGETHER FOR MOVEMENT IN UNISON ALONG SAID FRAME; HYDRAULICALLY OPERABLE FEED MEANS ON SAID FRAME AND CONNECTED TO ONE OF SAID CARRIAGES FOR MOVING THE SAME LONGITUDINALLY THEREON; A DRIVE MOTOR ON SAID TOOL CARRIAGE FOR ROTATING A TOOL THEREON; AND HOLDING MEANS ON SAID BORE LINING TUBE CARRIAGE FOR HOLDING A BORE LINING TUBE THERETO.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |