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US3338546A
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Collapsible self-supporting core
Assignee: ESTATE OF JOE E LONG (DANIEL LONG ADMINISTRATOR)
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Filing: 1965-01-25
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Granted: 1967-08-29
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Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Fuller Revilo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:38
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/028; F16L1/038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US859681A
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US948539A
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US1442691A
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US1618647A
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US1530283A
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US2387815A
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FR1006879A
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US2731698A
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US2969576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |