US3179508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for shaping glass
Assignee: US Philips Corp
•
Filing: 1961-03-01
•
Granted: 1965-04-20
•
Expires: 1981-03-01
Abstract
No abstract record available.
Inventors
- 👤 Stapel Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:03
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/07; C03B23/073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
APPARATUS FOR DEFORMING A GLASS TUBE HAVING A PLASTIC PORTION, COMPRISING A MOLD HAVING A CAVITY RECEIVING SAID PLASTIC PORTION AND A NECK PORTION OPENING INTO SAID CAVITY, JET MEANS ADJOINING SAID NECK PORTION FOR INTRODUCING AND DIRECTING A GAS UNDER PRESSURE OUTWARDLY OF SAID MOLD THROUGH THE OPENING OF SAID NECK PORTION FOR ASPIRATING SAID CAVITY AND SEALING SAID CAVITY AGAINST THE ENTRY OF AMBIENT AIR.
Claim 2
Dependent Claim
67 words
APPARATUS FOR DEFORMING A GLASS TUBE HAVING A PLASTIC PORTION, COMPRISING A MOLD HAVING A CAVITY RECEIVING SAID PLASTIC PORTION AND A NECK PORTION OPENING INTO SAID CAVITY, JET MEANS ADJOINING SAID NECK PORTION FOR INTRODUCING AND DIRECTING A GAS UNDER PRESSURE OUTWARDLY OF SAID MOLD THROUGH THE OPENING OF SAID NECK PORTION FOR ASPIRATING SAID CAVITY AND SEALING SAID CAVITY AGAINST THE ENTRY OF AMBIENT AIR.
References Cited (Backward Citations)
US905041A
Cited
US2348347A
Cited
US2423113A
Cited
US2467000A
Cited
US2495253A
Cited
US2531394A
Cited
US2771710A
Cited
US2693667A
Cited
US2822501A
Cited
US3015911A
Cited
US3091104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |