Patent US3449196A successfully refreshed from Google Patents.
US3449196A
Expired / Lapsed
US
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Apparatus for making baglike bodies of thermoplastic synthetic resin films
Assignee: Toray Industries Inc
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Filing: 1964-04-20
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Granted: 1969-06-10
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Hirosuke Yumoto
- 👤 Takeshi Hashimoto
- 👤 Yutaka Morita
- 👤 Yoshinobu Shibata
- 👤 Shunichiro Kirimura
- 👤 Mototsugu Kono
- 👤 Yasuhiro Kojima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:09
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/64; B31B70/649; B31B2155/00; B31B2155/002; B31B2160/00; B31B2160/10; B31B2160/20; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |