US2826005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing flat glass in ribbon form
Assignee: Pilkington Group Ltd
•
Filing: 1954-09-30
•
Granted: 1958-03-11
•
Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 Hubert C Wynne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:22
CPC Classifications
C; C03; C03B; C03B13/00; C03B13/16; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/487; Y; Y10; Y10S; Y10S425/00; Y10S425/235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1435958A
Cited
US1657214A
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US2336510A
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US2387886A
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US2505103A
Cited
US2598893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |