US3543356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clasp
Assignee: HORST D ZIMMERMANN
•
Filing: 1968-12-11
•
Granted: 1970-12-01
•
Expires: 1988-12-11
Abstract
No abstract record available.
Inventors
- 👤 Horst D Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:37
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2047; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10S24/44; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45016; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45529; Y10T24/45534
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |