US3290134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press sealing apparatus
Assignee: Philips North America LLC
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Filing: 1961-06-19
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Granted: 1966-12-06
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Frank J Camarata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:05
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/32; H01J9/323; H01J9/326; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN APPARATUS FOR FORMING A PRESS SEAL ACROSS A VITREOUS TUBE, A PAIR OF RESS JAWS HAVING OPPOSED WORK FACES THAT ARE SPACED TO RECEIVE THEREBETWEEN THE HEATED SEGMENT OF A TUBE ACROSS WHICH THE SEAL IS TO BE FORMED AND HAVE AN ARCUATE GROOVE THEREIN THAT EXTENDS PARTLY ACROSS THE RESPECTIVE WORK FACES FROM AN EDGE THEREOF, AND A PAIR OF ELONGATED MARGINAL DEPRESSIONS DISPOSED ON EITHER SIDE OF AND BEYOND SAID GROOVE, THE PORTIONS OF SAID WORK FACES BETWEEN SAID GROOVES AND THE RESPECTIVE MARGINAL DEPRESSIONS COMPRISING LANDS THAT DEFINE MATCHING GENERALLY Y-SHAPED PRESSING SURFACE WHICH, WHEN SAID PRESS JAWS ARE IN A CLOSED POSITION, ARE ADAPTED TO TIGHTLY COMPRESS ONLY PRESELECTED PORTIONS OF THE INTERPOSED HEATED TUBE SEGMENT AND FORM A SEAL THEREACROSS.
Claim 2
Dependent Claim
126 words
IN APPARATUS FOR FORMING A PRESS SEAL ACROSS A VITREOUS TUBE, A PAIR OF RESS JAWS HAVING OPPOSED WORK FACES THAT ARE SPACED TO RECEIVE THEREBETWEEN THE HEATED SEGMENT OF A TUBE ACROSS WHICH THE SEAL IS TO BE FORMED AND HAVE AN ARCUATE GROOVE THEREIN THAT EXTENDS PARTLY ACROSS THE RESPECTIVE WORK FACES FROM AN EDGE THEREOF, AND A PAIR OF ELONGATED MARGINAL DEPRESSIONS DISPOSED ON EITHER SIDE OF AND BEYOND SAID GROOVE, THE PORTIONS OF SAID WORK FACES BETWEEN SAID GROOVES AND THE RESPECTIVE MARGINAL DEPRESSIONS COMPRISING LANDS THAT DEFINE MATCHING GENERALLY Y-SHAPED PRESSING SURFACE WHICH, WHEN SAID PRESS JAWS ARE IN A CLOSED POSITION, ARE ADAPTED TO TIGHTLY COMPRESS ONLY PRESELECTED PORTIONS OF THE INTERPOSED HEATED TUBE SEGMENT AND FORM A SEAL THEREACROSS.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |