US2601330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Layout device
Assignee: Leland Gifford Co
•
Filing: 1946-04-25
•
Granted: 1952-06-24
•
Expires: 1966-04-25
Abstract
No abstract record available.
Inventors
- 👤 William D Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:16
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/04; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/55; Y10T408/561; Y10T408/5617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1010657A
Cited
US1424941A
Cited
US1397771A
Cited
US2110958A
Cited
US2044070A
Cited
US2109849A
Cited
US2268293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |