US2829062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory vitreous ceramic coating materials
Assignee: Individual
•
Filing: 1956-02-07
•
Granted: 1958-04-01
•
Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Dwight G Bennett
- 👤 William J Plankenhorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:39
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C8/04; C03C10/00; C03C10/0054; C03C3/00; C03C3/04; C03C3/062; C03C3/064; C03C3/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A FRIT FOR MAKING A REFRACTORY VITREOUS CERAMIC COATING MATERIAL, SAID FRIT CONSISTING ESSENTIALLY OF: PERCENT
Claim 2
Dependent Claim
16 words
A FRIT FOR MAKING A REFRACTORY VITREOUS CERAMIC COATING MATERIAL, SAID FRIT CONSISTING ESSENTIALLY OF: PERCENT
References Cited (Backward Citations)
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US1938691A
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US2352425A
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US2414633A
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US2396856A
Cited
US2475470A
Cited
US2588250A
Cited
US2753271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |