US3332228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene baling twine
Assignee: Chevron USA Inc
•
Filing: 1965-06-25
•
Granted: 1967-07-25
•
Expires: 1985-06-25
Abstract
No abstract record available.
Inventors
- 👤 Chill Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:09
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/02; D01; D01D; D01D5/00; D01D5/42; D01D5/423; D02; D02G; D02G3/00; D02G3/02; D02G3/06; D07B2201/00; D07B2201/20; D07B2201/2001; D07B2201/2002; D07B2201/2003; D10; D10B; D10B2321/00; D10B2321/02; D10B2321/022; Y; Y10; Y10S; Y10S264/00; Y10S264/16; Y10S264/47; Y10S57/00; Y10S57/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
POLYPROPYLENE TWINE COMPRISING AT LEAST ONE FILM STRIP OF ISOTACTIC POLYPROPYLENE TWISTED AND SET TO FORM SAID TWINE; WHEREIN THE FILM STRIPS EMBODYING THE TWINE HAVE THE FOLLOWING CHARACTERISTICS: AT LEAST 0.5 INCH WIDE, UNFRACTURED, CONTINUOUS LONGITUDINALLY AND ACROSS THEIR WIDTHS, AND UNIAXIALLY ORIENTED TO A DRAW RATIO OF AT LEAST 6 AND BELOW FIBRILLATION.
Claim 2
Dependent Claim
55 words
POLYPROPYLENE TWINE COMPRISING AT LEAST ONE FILM STRIP OF ISOTACTIC POLYPROPYLENE TWISTED AND SET TO FORM SAID TWINE; WHEREIN THE FILM STRIPS EMBODYING THE TWINE HAVE THE FOLLOWING CHARACTERISTICS: AT LEAST 0.5 INCH WIDE, UNFRACTURED, CONTINUOUS LONGITUDINALLY AND ACROSS THEIR WIDTHS, AND UNIAXIALLY ORIENTED TO A DRAW RATIO OF AT LEAST 6 AND BELOW FIBRILLATION.
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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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |