US3477894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing molded plastic goods
Assignee: Flachglas Wernberg GmbH
•
Filing: 1964-05-08
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Granted: 1969-11-11
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Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Roderich W Graeff
- 👤 Karl Johann Reichl
- 👤 Josef Butz
- 👤 Karl Pausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:56
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/504; B29C51/00; B29C51/10; B29C53/00; B29C53/22; B29C53/24; B29C33/00; B29C33/56; B29C33/68; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US544248A
Cited
GB150432A
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US1794435A
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US2784763A
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US3071180A
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US2702435A
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US2968335A
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US3044921A
Cited
US3159695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |