US3343567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible tubing
Assignee: Richardson Vicks Inc
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Filing: 1964-06-01
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Granted: 1967-09-26
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Robert J Mulligan
- 👤 Garry T Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:29
CPC Classifications
B; B65; B65D; B65D11/00; B65D11/20; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B65D11/18; B65D11/1846; B29C48/001; B29C48/0019; B29C48/0022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A SEAMLESS POLYGONAL EXTRUSION OF PLASTIC MATERIAL HAVING A PERCENT ELONGATION OF AT LEAST 20 HAVING SIDE WALLS OF UNIFORM DENSITY AND COMPOSITION AND BEING BETWEEN 0.008 INCH IN THICKNESS TO 0.025 INCH CHARACTERIZED BY HAVING AT THE CORNER ANGLES A THINER CROSS-SECTION BETWEEN ABOUT 0.004 INCH AND 0.010 INCH WHEREBY THE SAID EXTRUSION CAN BE COLLAPSED TO A SUBSTANTIALLY FLAT SHAPE.
Claim 2
Dependent Claim
62 words
A SEAMLESS POLYGONAL EXTRUSION OF PLASTIC MATERIAL HAVING A PERCENT ELONGATION OF AT LEAST 20 HAVING SIDE WALLS OF UNIFORM DENSITY AND COMPOSITION AND BEING BETWEEN 0.008 INCH IN THICKNESS TO 0.025 INCH CHARACTERIZED BY HAVING AT THE CORNER ANGLES A THINER CROSS-SECTION BETWEEN ABOUT 0.004 INCH AND 0.010 INCH WHEREBY THE SAID EXTRUSION CAN BE COLLAPSED TO A SUBSTANTIALLY FLAT SHAPE.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |