US2886853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of hollow objects
Assignee: Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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Filing: 1954-12-30
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Granted: 1959-05-19
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Herman Wilhelm
- 👤 Baldeus Van Rooyen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:42
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0009; A61M25/001; B; B29; B29C; B29C33/00; B29C33/44; B29C33/48; B29C33/50; B29C33/505; B29C61/00; B29C61/02; B29C61/025; B29C61/06; B29C61/0608; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1570915A
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US2027962A
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US2422325A
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US2533609A
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US2685118A
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US2739350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |