US3487143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for the continuous casting of polyurethane flat belting
Assignee: Goodrich Corp
•
Filing: 1966-11-30
•
Granted: 1969-12-30
•
Expires: 1986-11-30
Abstract
No abstract record available.
Inventors
- 👤 Ardell J Bergvall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:05
CPC Classifications
B; B29; B29D; B29D29/00; B29C; B29C43/00; B29C43/22; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/88; B29C48/91; B29C48/911; B29C48/9135; B29L; B29L2007/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1416483A
Cited
US2075735A
Cited
US2515243A
Cited
US2817875A
Cited
US3170972A
Cited
US3422178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |