US3473512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating dies
Assignee: Owens Corning
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Filing: 1968-04-22
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Granted: 1969-10-21
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Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Richard P Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:23
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/04; D06B3/045; B; B05; B05C; B05C3/00; B05C3/02; B05C3/12; D06B2700/00; D06B2700/25
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |