US2480774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bending thin walled thermoplastic bodies, including tubes
Assignee: MW Kellogg Co
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Filing: 1946-06-28
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Granted: 1949-08-30
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Expires: 1966-06-28
Abstract
No abstract record available.
Inventors
- 👤 David B Rossheim
- 👤 Frederick A Fichtmueller
- 👤 Schenk Jan Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/02; B29C53/08; B29C53/083; B29B; B29B13/00; B29B13/02; B29B13/023; B29B13/024; B29L; B29L2023/00; B29L2023/22
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) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |