US3527589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet shaping and conveying apparatus
Assignee: Pilkington North America Inc
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Filing: 1967-02-13
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Granted: 1970-09-08
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 George F Ritter Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:13
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/07; B65G13/00; B65G13/02; B65G13/06; B65G13/073; C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B35/00; C03B35/14; C03B35/16; C03B35/18; C03B35/181; C03B35/186; C03B2225/00; C03B2225/02
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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |