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US3042989A
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Assignee: Dow Chemical Co
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Filing: 1961-05-08
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Granted: 1962-07-10
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Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Richard D Foley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:18
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/022; B65H23/025; B65H23/0251; B65H23/0253; B29; B29C; B29C43/00; B29C43/22; B29C55/00; B29C55/02; B29C55/04; B29C55/08; B29C67/00
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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |