← Back to Patent Explorer
US3608146A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for forming plastic tubular articles

Assignee: Kimble Glass Inc
•
Filing: 1968-04-22
•
Granted: 1971-09-28
•
Expires: 1988-04-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract THE PRESENT DISCLOSURE RELATES TO APPARATUS AND METHOD FOR CONVEYING AND TRANSFORMING TUBULAR THERMOPLASTIC BLANKS INTO TUBLAR PIPETS, MEDICINE DROPPERS, BURETTE POINTS, AMPULS, AND THE LIKE, WHILE ADVANCING CONTINUOUSLY ALONG A PRESCRIBED PATH. THE DISCLOSURE HAS PARTICULAR UTILITY IN FORMING DISPOSABLE PIPLETS MADE OF THERMOPLASTIC MATERIAL SUCH AS POLYSTYRENE AND THE LIKE.

Inventors

  • 👤 Russell Eugene Dunipace

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:21
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/22; B26; B26D; B26D3/00; B26D3/16; B29C31/00; B29C31/002; B29K; B29K2025/00; B29L; B29L2023/00; B29L2031/00; B29L2031/753; Y; Y10; Y10S; Y10S425/00; Y10S425/053; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-27 1975-03-29 1975-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-27 1979-03-29 1979-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-27 1983-03-29 1983-09-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag