US3489325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system with multichamber vacuum unit for regulating lateral web alignment
Assignee: Borg Warner Corp
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Filing: 1967-10-25
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Granted: 1970-01-13
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Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Herman Epstein
- 👤 Edward M Johnson
- 👤 Peter J Loftus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:37
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/34; B21C47/3466; B21C47/3475; B21C47/3408; B21C47/3416; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; B65H23/0212; B65H23/032; B65H23/04; B65H23/24; B65H23/245; B29; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/44; B29D2030/4406; B29D2030/4418
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB811574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |