Patent US3536468A successfully refreshed from Google Patents.
US3536468A
Expired / Lapsed
US
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Glass parison forming with settle blow closing means
Assignee: OI Glass Inc
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Filing: 1967-12-14
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Granted: 1970-10-27
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Expires: 1987-12-14
Abstract
No abstract record available.
Inventors
- 👤 Robert D Colchagoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:45
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/36; C03B9/3627; C03B9/3636; C03B7/00; C03B7/14; C03B7/16; C03B9/13; C03B9/14; C03B9/16; C03B9/165; C03B9/369
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |