US3334665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring lacing machine
Assignee: Barber Manufacturing Co Inc
•
Filing: 1965-01-21
•
Granted: 1967-08-08
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Walter K Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:38
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/07; B; B21; B21F; B21F33/00; B21F33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
SPRING LACING APPARATUS COMPRISING MEANS FOR ROTATING A HELIX ABOUT ITS AXIS AND MOVING IT LONGITUDINALLY OF ITS AXIS TO ENGAGE AND SURROUND A PLURALITY OF INDIVIDUAL COIL SPRINGS AT ONE SIDE OF ONE END OF EACH SPRING, MEANS FOR CRIMPING THE HELIX AGAINST THE ENDMOST OF SAID COIL SPRINGS AND FOR CUTTING OFF SAID HELIX BY PRESSING HELIX
Claim 2
Dependent Claim
59 words
SPRING LACING APPARATUS COMPRISING MEANS FOR ROTATING A HELIX ABOUT ITS AXIS AND MOVING IT LONGITUDINALLY OF ITS AXIS TO ENGAGE AND SURROUND A PLURALITY OF INDIVIDUAL COIL SPRINGS AT ONE SIDE OF ONE END OF EACH SPRING, MEANS FOR CRIMPING THE HELIX AGAINST THE ENDMOST OF SAID COIL SPRINGS AND FOR CUTTING OFF SAID HELIX BY PRESSING HELIX
References Cited (Backward Citations)
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US2666459A
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |