US3363035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stretching tubular molded articles of thermoplastic resin
Assignee: Sekisui Chemical Co Ltd
•
Filing: 1964-12-16
•
Granted: 1968-01-09
•
Expires: 1984-12-16
Abstract
No abstract record available.
Inventors
- 👤 Nuho Minoru
- 👤 Ueda Hiroshi
- 👤 Tokui Tetsuji
- 👤 Nakajima Jun-Ichi
- 👤 Hamada Michio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/28; Y; Y10; Y10S; Y10S425/00; Y10S425/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2337927A
Cited
US2688773A
Cited
US2955318A
Cited
GB924501A
Cited
US3167814A
Cited
US3235632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |