US2476540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing flash from molded articles
Assignee: Tenneco Automotive Inc
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Filing: 1948-04-20
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Granted: 1949-07-19
•
Expires: 1968-04-20
Abstract
No abstract record available.
Inventors
- 👤 Donald F Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:22
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/02; B29C35/00; B29C35/16; B29C2035/1616; B29C2035/1625; B29C2035/165; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1422309A
Cited
US1510504A
Cited
GB524519A
Cited
US2347464A
Cited
US2380653A
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US2402967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |