US3030633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic strips
Assignee: Wilmington Chemical and Rubber Corp
•
Filing: 1959-09-22
•
Granted: 1962-04-24
•
Expires: 1979-09-22
Abstract
No abstract record available.
Inventors
- 👤 William L Chalfin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:58
CPC Classifications
A; A41; A41C; A41C3/00; A41C3/12; A41C3/122; A41C3/126; A41C1/00; A41C1/12; A41C1/14; A41C3/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A UNITARY ELONGATED PLASTIC BONING STRIP HAVING AN ELONGATED INTERMEDIATE PORTION FORMED OF A COMPOSITION PROVIDING STIFFNESS AND RESISTANCE TO PENETRATION BY NEEDLES, AND AT LEAST ONE TIP PORTION FORMED OF A COMPOSITION OF REDUCED STIFFNESS AND PENETRABLE BY NEEDLES.
Claim 2
Dependent Claim
40 words
A UNITARY ELONGATED PLASTIC BONING STRIP HAVING AN ELONGATED INTERMEDIATE PORTION FORMED OF A COMPOSITION PROVIDING STIFFNESS AND RESISTANCE TO PENETRATION BY NEEDLES, AND AT LEAST ONE TIP PORTION FORMED OF A COMPOSITION OF REDUCED STIFFNESS AND PENETRABLE BY NEEDLES.
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |