US3128262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic articles and process for their manufacture
Assignee: PETER H SMOLKA
•
Filing: 1960-06-20
•
Granted: 1964-04-07
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Lightfoot Charles Leandro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:44
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/46; B29C43/00; B29C2049/4602; B29C2049/4644; B29C53/00; B29C53/56; B29C53/58; B29K; B29K2027/00; B29K2027/12; B29K2027/18; B29K2105/00; B29K2105/24; B29K2105/246; B29L; B29L2031/00; B29L2031/26; B29L2031/265; Y; Y10; Y10S; Y10S264/00; Y10S264/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN ARTICLE OF MANUFACTURE COMPRISING A SOLID BODY OF POLYTETRAFLUOROETHYLENE CONTAINING UNIFORMLY DISPERSED THEREIN A FINELY DIVIDED THERMALLY STABLE SOLID SELECTED FROM THE GROUP CONSISTING OF BARIUM PEROXIDE, ALUMINUM CARBIDE, CALCIUM CARBIDE, MAGNESIUM NITRIDE, CALCIUM, CYANAMIDE, MAGNESIUM SILICIDE, CALCIUM PHOSPHIDE, LITHIUM HYDRIDE, AND A MIXTURE OF PHOSPHORUS PENTOXIDE WITH SODIUM CHLORIDE.
Claim 2
Dependent Claim
51 words
AN ARTICLE OF MANUFACTURE COMPRISING A SOLID BODY OF POLYTETRAFLUOROETHYLENE CONTAINING UNIFORMLY DISPERSED THEREIN A FINELY DIVIDED THERMALLY STABLE SOLID SELECTED FROM THE GROUP CONSISTING OF BARIUM PEROXIDE, ALUMINUM CARBIDE, CALCIUM CARBIDE, MAGNESIUM NITRIDE, CALCIUM, CYANAMIDE, MAGNESIUM SILICIDE, CALCIUM PHOSPHIDE, LITHIUM HYDRIDE, AND A MIXTURE OF PHOSPHORUS PENTOXIDE WITH SODIUM CHLORIDE.
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |