Patent US3229972A successfully refreshed from Google Patents.
US3229972A
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Pipe engaging head for line-up clamp
Assignee: CROSE UNITED CORP
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Filing: 1962-09-25
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Granted: 1966-01-18
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Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:34
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B65B51/06; B23; B23K; B23K37/00; B23K37/04; B23K37/053; B23K37/0531; B65B51/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN AN INSIDE LINE-UP PIPE CLAMP, A PLURALITY OF PLUNGERS MOVABLE RADIALLY TOWARD THE PIPE WHEN THE CLAMP IS IN THE PIPE; A PLURALITY OF PIPE-ENGAGING ROCKERS; MEANS MOUNTING A PAIR OF SAID ROCKERS ON EACH OF SAID PLUNGERS FOR ROCKING MOVEMENT OF EACH ROCKER ABOUT AN AXIS SUBSTANTIALLY PARALLEL WITH THE AXIS OF THE PIPE WHEN THE CLAMP IS THEREWITHIN; AND BIASING MEANS COUPLED WITH SAID ROCKERS FOR MAINTAINING EACH ROCKER IN A NORMAL, OUTWARDLY FACING POSITION BETWEEN THE ENDS OF ITS ROCKING PATH OF TRAVEL.
Claim 2
Dependent Claim
87 words
IN AN INSIDE LINE-UP PIPE CLAMP, A PLURALITY OF PLUNGERS MOVABLE RADIALLY TOWARD THE PIPE WHEN THE CLAMP IS IN THE PIPE; A PLURALITY OF PIPE-ENGAGING ROCKERS; MEANS MOUNTING A PAIR OF SAID ROCKERS ON EACH OF SAID PLUNGERS FOR ROCKING MOVEMENT OF EACH ROCKER ABOUT AN AXIS SUBSTANTIALLY PARALLEL WITH THE AXIS OF THE PIPE WHEN THE CLAMP IS THEREWITHIN; AND BIASING MEANS COUPLED WITH SAID ROCKERS FOR MAINTAINING EACH ROCKER IN A NORMAL, OUTWARDLY FACING POSITION BETWEEN THE ENDS OF ITS ROCKING PATH OF TRAVEL.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |