US2698272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming needle-penetrable stoppers for containers
Assignee: Gillon Co Inc
•
Filing: 1950-09-29
•
Granted: 1954-12-28
•
Expires: 1970-09-29
Abstract
No abstract record available.
Inventors
- 👤 Henry H Clapp
- 👤 Richard J Denney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
B; B29; B29C; B29C43/00; B29D; B29D99/00; B29D99/0096; B29L; B29L2031/00; B29L2031/56; B29L2031/565; Y; Y10; Y10S; Y10S215/00; Y10S215/03; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1052; Y10T156/1056; Y10T156/1089; Y10T156/1092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF FORMING A NEEDLE-PENETRABLE STOPPER FOR A CONTAINER WHICH INCLUDES THE STEPS OF FULLY COATING OF FACE OF A THIN FLEXIABLE BUT RELATIVELY NON-RESILIENT FILM OF THERMOPLASTIC SYNTHETIC RESIN WITH A THERMOSETTING ADHESIVE, PARTIALLY COATING ONE FACE OF A SECOND THIN FLEXIBLE BUT RELATIVELY NON-RESILIENT FILM OF THERMOPLASTIC SYNTHETIC RESIN WITH THERMOSETTING ADHESIVE, POSITIONING SAID FILMS ON EITHER FACE OF A SOMEWHAT THICKER SHEET OF THEREMOPLASTIC RESILIENT SOFT ELASTOMER WITH THE COATED FACES FACING INWARDLY, AND SUBJECTING SAID FILMS AND SAID SHEET TO MOLDING TEMPERATURE AND PRESSURE THEREBY TO FORM THEN INTO THE DESIRED STOPPER CONFIGURATION AND AT THE SAME TIME TO CAUSE THE ADHESIVE TO SET SO AS TO CREATE A
Claim 2
Independent Claim
114 words
A METHOD OF FORMING A NEEDLE-PENETRABLE STOPPER FOR A CONTAINER WHICH INCLUDES THE STEPS OF FULLY COATING OF FACE OF A THIN FLEXIABLE BUT RELATIVELY NON-RESILIENT FILM OF THERMOPLASTIC SYNTHETIC RESIN WITH A THERMOSETTING ADHESIVE, PARTIALLY COATING ONE FACE OF A SECOND THIN FLEXIBLE BUT RELATIVELY NON-RESILIENT FILM OF THERMOPLASTIC SYNTHETIC RESIN WITH THERMOSETTING ADHESIVE, POSITIONING SAID FILMS ON EITHER FACE OF A SOMEWHAT THICKER SHEET OF THEREMOPLASTIC RESILIENT SOFT ELASTOMER WITH THE COATED FACES FACING INWARDLY, AND SUBJECTING SAID FILMS AND SAID SHEET TO MOLDING TEMPERATURE AND PRESSURE THEREBY TO FORM THEN INTO THE DESIRED STOPPER CONFIGURATION AND AT THE SAME TIME TO CAUSE THE ADHESIVE TO SET SO AS TO CREATE A
References Cited (Backward Citations)
US1482045A
Cited
GB423856A
Cited
US2227212A
Cited
US2497454A
Cited
US2499724A
Cited
US2449180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |