US2557875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer assembly
Assignee: Individual
•
Filing: 1946-12-05
•
Granted: 1951-06-19
•
Expires: 1966-12-05
Abstract
No abstract record available.
Inventors
- 👤 James G Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:38
CPC Classifications
B; B41; B41L; B41L1/00; B41L1/20; B41L1/22; Y; Y10; Y10S; Y10S462/00; Y10S462/90; Y10S462/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |