Patent US3545795A successfully refreshed from Google Patents.
US3545795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint
Assignee: Individual
•
Filing: 1969-01-07
•
Granted: 1970-12-08
•
Expires: 1989-01-07
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Hertel
- 👤 Olaf Volkersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:58
CPC Classifications
F; F16; F16B; F16B11/00; F16B11/006; B; B29; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/12; B29C66/128; B29C66/1282; B29C66/12821; B29C66/12822; B29C66/1284; B29C66/12841; B29C66/12842; B29C66/1286; B29C66/12861; B29C66/1288; B29C66/12881; B29C66/40; B29C66/41; B29C66/43; B29C66/50; B29C66/51; B29C66/52; B29C66/522; Y; Y10; Y10T; Y10T403/00; Y10T403/47; Y10T403/71; Y10T403/7152; Y10T428/00; Y10T428/19; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |