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US3454443A
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Forming a substantially rigid article having a thermoplastic material as at least one exposed surface
Assignee: Ametek Inc
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Filing: 1965-09-20
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Granted: 1969-07-08
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Dimitri P Zafiroglu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:02
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/12; F16L9/133; B; B29; B29C; B29C63/00; B29C63/18; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5227; B29C66/52271; B29C66/52272; B29C66/70; B29C66/71; B29C66/73; B29C66/739; B29C66/7392; B29C66/74; B29C66/80; B29C66/82; B29C66/826; B29C66/8264; B29C66/828; B29C66/8284; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91411; B29C66/91421; B29C66/91441; B29C66/91443; B29C66/92; B29C66/929; B29C66/742; B29C66/81; B29C66/812; B29C66/8122; B29C66/91445; B29K; B29K2027/00; B29K2027/12; B29K2027/18; B29K2705/00; B29K2705/02; B29K2705/08; B29K2705/12; B29L; B29L2031/00; B29L2031/32; B29L2031/324; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 0
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |