US3509875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thoracic brace
Assignee: Individual
•
Filing: 1967-03-21
•
Granted: 1970-05-05
•
Expires: 1987-03-21
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:35
CPC Classifications
A; A41; A41C; A41C1/00; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10S24/49; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45037; Y10T24/45058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143309A
Cited
US1373123A
Cited
US1609248A
Cited
US2286850A
Cited
US2350194A
Cited
US2662522A
Cited
US3400710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |