US3028630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die apparatus and method for moulding flexible tubes
Assignee: J A Walker & Co Pty Ltd
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Filing: 1960-04-18
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Granted: 1962-04-10
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Walker John Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:34
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/44; B29C33/48; B29C33/485; B29C33/46; B29C45/00; B29C45/17; B29C45/26; B29C45/261; B29C45/2614; B29L; B29L2031/00; B29L2031/24; B29L2031/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US362624A
Cited
US1347575A
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US2181257A
Cited
US2361026A
Cited
US2396406A
Cited
US2486870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |