US3437631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body protective device composed of polycarbonate resins admixed with polyolefins and pigments
Assignee: Bayer Corp
•
Filing: 1967-02-13
•
Granted: 1969-04-08
•
Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Cleveland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:18
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/06; C; C08; C08L; C08L69/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3221080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |