US2688902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool
Assignee: Individual
•
Filing: 1951-10-02
•
Granted: 1954-09-14
•
Expires: 1971-10-02
Abstract
No abstract record available.
Inventors
- 👤 Otto A Andler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:06
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/564; Y10T408/5647; Y10T408/60; Y10T408/63; Y10T408/86; Y10T408/865; Y10T408/868; Y10T82/00; Y10T82/25; Y10T82/2585
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1061706A
Cited
US1697414A
Cited
US1789080A
Cited
GB558026A
Cited
US2431654A
Cited
US2453848A
Cited
US2499658A
Cited
US2552998A
Cited
US2493039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |