Patent US2589786A successfully refreshed from Google Patents.
US2589786A
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Method of forming hollow plastic bodies
Assignee: Glenn L Martin Co
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Filing: 1945-04-10
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Granted: 1952-03-18
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Expires: 1965-04-10
Abstract
No abstract record available.
Inventors
- 👤 Harry C Engel
- 👤 Raab Regis
- 👤 Pajak Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:50
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C33/00; B29C33/38; B29C33/40; B29C43/00; B29C43/02; B29C65/00; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C65/50; B29C65/5042; B29C65/5064; B29C65/5071; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/1312; B29C66/32; B29C66/61; B29C66/63; B29C69/00; B29C69/004; B29C2791/00; B29C2791/001; B29C33/76; B29C66/70; B29C66/71; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2105/00; B29K2105/06; B29L; B29L2031/00; B29L2031/30; B29L2031/3076; B29L2031/3085; B29L2031/757; Y; Y10; Y10S; Y10S264/00; Y10S264/76; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US639096A
Cited
US1134433A
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US1400146A
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US1729717A
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US2009265A
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US2342988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |