Patent US3347731A successfully refreshed from Google Patents.
US3347731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for manufacturing pile products
Assignee: Tapijtfabriek Noordester N V
•
Filing: 1964-01-06
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Granted: 1967-10-17
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Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Luthy Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A DEVICE FOR THE MANUFACTURE OF A PILE PRODUCT COMPRISING A ROTATABLE DRUM, UNIFORMLY SPACED RADIAL BLADES MOUNTED ON THE DRUM AT THE PERIPHERY THEREOF, OR RECEIVING PILE MATERIAL IN THE FORM OF TENSIONED MUTUALLY PARALLEL THREADS WHICH AR FED CIRCUMFERENTIALLY OVER THE BLADES, INSERTING MEANS MOUNTED OUTSIDE SAID DRUM FOR RECIPROCAL RADIAL MOVEMENT FOR ENTERING THE SPACES BETWEEN ADJACENT BLADES TO FORM LOOPS IN THE THREADS EXTENDING THEREON AND DRAW THE MATERIAL FROM A SUPPLY THEREOF, FIRST CLAMPING MEANS FOR ACTING ON THE BLADES BOUNDING THE SPACE AHEAD OF THE SPACE IN WHICH THE INSERTING MEANS IS INSERTED TO CLAMP THE THREADS AGAINST SUCH BLADES AND PREVENT DISTURBANCE OF THE LOOPS FORMED THEREIN, AND SECOND CLAMPING MEANS FOR ACTING ON A PAIR OF BLADES BEHIND THE INSERTING MEANS TO CLAMP THE THREADS AGAINST SUCH BLADES AFTER EACH FORMATION OF LOOPS IN A SPACE AND WHEN THE
Claim 2
Independent Claim
147 words
A DEVICE FOR THE MANUFACTURE OF A PILE PRODUCT COMPRISING A ROTATABLE DRUM, UNIFORMLY SPACED RADIAL BLADES MOUNTED ON THE DRUM AT THE PERIPHERY THEREOF, OR RECEIVING PILE MATERIAL IN THE FORM OF TENSIONED MUTUALLY PARALLEL THREADS WHICH AR FED CIRCUMFERENTIALLY OVER THE BLADES, INSERTING MEANS MOUNTED OUTSIDE SAID DRUM FOR RECIPROCAL RADIAL MOVEMENT FOR ENTERING THE SPACES BETWEEN ADJACENT BLADES TO FORM LOOPS IN THE THREADS EXTENDING THEREON AND DRAW THE MATERIAL FROM A SUPPLY THEREOF, FIRST CLAMPING MEANS FOR ACTING ON THE BLADES BOUNDING THE SPACE AHEAD OF THE SPACE IN WHICH THE INSERTING MEANS IS INSERTED TO CLAMP THE THREADS AGAINST SUCH BLADES AND PREVENT DISTURBANCE OF THE LOOPS FORMED THEREIN, AND SECOND CLAMPING MEANS FOR ACTING ON A PAIR OF BLADES BEHIND THE INSERTING MEANS TO CLAMP THE THREADS AGAINST SUCH BLADES AFTER EACH FORMATION OF LOOPS IN A SPACE AND WHEN THE
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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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |