US3224067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felting needles
Assignee: Individual
•
Filing: 1963-10-11
•
Granted: 1965-12-21
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Edson P Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
D; D04; D04H; D04H18/00; D04H18/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A FELTING NEEDLE HAVING A BODY OF SUBSTANTIALLY TRIANGULAR CROSS-SECTION, A RIDGE ON SAID BODY PORTION FORMED AT A CORNER EDGE OF TWO ADJACENT SIDE SURFACES OF SAID BODY PORTION, SAID RIDGE HAVING AN OUTER WALL AND SPACED APART SIDE WALLS CONSTITUTING A NARROW PROJECTING FIN EXTENDING LENGTHWISE OF SAID BODY AND CONFINED SOLELY TO SAID CORNEREDGE, AND A BARB IN SAID RIDGE.
Claim 2
Dependent Claim
63 words
A FELTING NEEDLE HAVING A BODY OF SUBSTANTIALLY TRIANGULAR CROSS-SECTION, A RIDGE ON SAID BODY PORTION FORMED AT A CORNER EDGE OF TWO ADJACENT SIDE SURFACES OF SAID BODY PORTION, SAID RIDGE HAVING AN OUTER WALL AND SPACED APART SIDE WALLS CONSTITUTING A NARROW PROJECTING FIN EXTENDING LENGTHWISE OF SAID BODY AND CONFINED SOLELY TO SAID CORNEREDGE, AND A BARB IN SAID RIDGE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |