Patent US4804809A successfully refreshed from Google Patents.
Patent US3340031A successfully refreshed from Google Patents.
US3340031A
Expired / Lapsed
US
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Seal for and method of packing joints in a glass furnace
Assignee: Libbey Owens Ford Glass Co
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Filing: 1964-11-25
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Granted: 1967-09-05
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Expires: 1984-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr James T Zellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:22
CPC Classifications
C; C03; C03B; C03B15/00; C03B15/02; C03B5/00; C03B5/16; C03B5/42; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METHOD OF SEALING A JOINT IN A GLASS FURANCE STRUCTURE COMPRISING PACKING A HEAT-RESISTANT FIBROUS MATERIAL ALONG SAID, JOINT, MELTING A BODY OF GLASS ONTO AND ACROSS THE PACKED FIBROUS MATERIAL, AND THEN COOLING SAID METLED GLASS TO SUBSTANTIALLY SOLIDIFY THE SAME INTO A SEALING LAYER.
Claim 2
Independent Claim
47 words
A METHOD OF SEALING A JOINT IN A GLASS FURANCE STRUCTURE COMPRISING PACKING A HEAT-RESISTANT FIBROUS MATERIAL ALONG SAID, JOINT, MELTING A BODY OF GLASS ONTO AND ACROSS THE PACKED FIBROUS MATERIAL, AND THEN COOLING SAID METLED GLASS TO SUBSTANTIALLY SOLIDIFY THE SAME INTO A SEALING LAYER.
References Cited (Backward Citations)
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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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |