US3492186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank fabrication forming mandrel and stripper assembly
Assignee: Owens Corning
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Filing: 1967-03-15
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Granted: 1970-01-27
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Expires: 1987-03-15
Abstract
No abstract record available.
Inventors
- 👤 John A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:32
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/44; B29C33/442; B29C53/00; B29C53/80; B29C53/82; B29C53/821; B29C53/824; B29C37/00; B29C37/0003; B29C53/56; B29C53/58; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29L; B29L2031/00; B29L2031/712; B29L2031/7126
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |