US2987100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for making a hollow multi-layered article
Assignee: Philbrick-Strickland Laminates Inc
•
Filing: 1958-10-24
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Granted: 1961-06-06
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Expires: 1978-10-24
Abstract
No abstract record available.
Inventors
- 👤 Edward T Strickland
- 👤 Homer C Amos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:51
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/602; B29C53/583; B29C53/585; B29C53/62; B29C53/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2731067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |