US3458893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial tree limb tapering machine
Assignee: Individual
•
Filing: 1968-01-03
•
Granted: 1969-08-05
•
Expires: 1988-01-03
Abstract
No abstract record available.
Inventors
- 👤 Percy Dieffenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:33
CPC Classifications
A; A47; A47G; A47G33/00; A47G33/04; A47G33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
APPARATUS FOR TAPERING THE TIP END OF ARTIFICIAL CHRISTMAS TREE LIMBS FORMED OF CONSTANT LENGTH, PRECUT PLASTIC FILAMENTS CAPTURED BY A PAIR OF TWISTED WIRES WITH THE FILAMENTS NORMALLY PROJECTING RADIALLY OF THE LIMB AT RIGHT ANGLES TO THE LIMB AXIS COMPRISING; MEANS FOR MOVING A SERIES OF SPACED LIMBS ALONG A PATH THROUGH SAID APPARATUS, MEANS FOR RAISING THE TEMPERATURE OF THOSE FILAMENTS WITHIN THE TIP SECION OF EACH LIMB DURING TRANSPORT TO REDUCE THEIR ELASTIC MEMBORY, MEANS FOR BENDING SAID HEATED FILAMENTS AWAY FROM THEIR RIGHT ANGLE, RADIAL POSITION TO A POSITON GENERALLY IN LINE WITH THE AXIS OF SAID LIMB AND TOWARD SAID TIP EXTREMITY, AND MEANS FOR MAINTAINING THOSE HEATED FILAMENTS AT THE TIP EXTEMITY IN THEIR IN-LINE POSITION FOR A LONGER PERIOD OF TIME THAN THOSE HEATED FILAMENTS SPACED INWARDLY THEREOF, WHEREBY, UPON COOLING, SAID LIMB IS PROVIDED WITH A TIP SECION CHARACTERIZED BY A FULL TAPER RATHER THAN MERE IN-LINE MATTING OF SAID SECTION FILAMENTS.
Claim 2
Dependent Claim
161 words
APPARATUS FOR TAPERING THE TIP END OF ARTIFICIAL CHRISTMAS TREE LIMBS FORMED OF CONSTANT LENGTH, PRECUT PLASTIC FILAMENTS CAPTURED BY A PAIR OF TWISTED WIRES WITH THE FILAMENTS NORMALLY PROJECTING RADIALLY OF THE LIMB AT RIGHT ANGLES TO THE LIMB AXIS COMPRISING; MEANS FOR MOVING A SERIES OF SPACED LIMBS ALONG A PATH THROUGH SAID APPARATUS, MEANS FOR RAISING THE TEMPERATURE OF THOSE FILAMENTS WITHIN THE TIP SECION OF EACH LIMB DURING TRANSPORT TO REDUCE THEIR ELASTIC MEMBORY, MEANS FOR BENDING SAID HEATED FILAMENTS AWAY FROM THEIR RIGHT ANGLE, RADIAL POSITION TO A POSITON GENERALLY IN LINE WITH THE AXIS OF SAID LIMB AND TOWARD SAID TIP EXTREMITY, AND MEANS FOR MAINTAINING THOSE HEATED FILAMENTS AT THE TIP EXTEMITY IN THEIR IN-LINE POSITION FOR A LONGER PERIOD OF TIME THAN THOSE HEATED FILAMENTS SPACED INWARDLY THEREOF, WHEREBY, UPON COOLING, SAID LIMB IS PROVIDED WITH A TIP SECION CHARACTERIZED BY A FULL TAPER RATHER THAN MERE IN-LINE MATTING OF SAID SECTION FILAMENTS.
References Cited (Backward Citations)
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US1810896A
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US1814712A
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US2304467A
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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) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |