US3432896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felting needles
Assignee: EIDP Inc
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Filing: 1966-10-10
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Granted: 1969-03-18
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Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Robert Meagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:19
CPC Classifications
D; D04; D04H; D04H18/00; D04H18/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A FELTING NEEDLE HAVING A BLADE WHOSE TRANSVERSE CROSS-SECTION DEFINES A TRIANGLE WITH ROUNDED CORNERS, THE BLADE BEARING AT LEAST ONE BARB, THE BARB HAVING A KICKUP OF NO MORE THAN .0004 INCH, A ROOF ANGLE OF FROM ABOUT 15* THROUGH ABOUT 40*, AN INDENTATION ANGLE OF FROM ABOUT 4* THROUGH ABOUT 10* AND A THROAT LENGTH OF FROM ABOUT .013 INCH THROUGH ABOUT .033 INCH, THE EDGE OF THE BLADE BEARING THE BARD HAVING A CORNER DIMENSION NO GREATER THAN ABOUT .004 INCH.
Claim 2
Dependent Claim
84 words
A FELTING NEEDLE HAVING A BLADE WHOSE TRANSVERSE CROSS-SECTION DEFINES A TRIANGLE WITH ROUNDED CORNERS, THE BLADE BEARING AT LEAST ONE BARB, THE BARB HAVING A KICKUP OF NO MORE THAN .0004 INCH, A ROOF ANGLE OF FROM ABOUT 15* THROUGH ABOUT 40*, AN INDENTATION ANGLE OF FROM ABOUT 4* THROUGH ABOUT 10* AND A THROAT LENGTH OF FROM ABOUT .013 INCH THROUGH ABOUT .033 INCH, THE EDGE OF THE BLADE BEARING THE BARD HAVING A CORNER DIMENSION NO GREATER THAN ABOUT .004 INCH.
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |