US2603249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheetsxsheet i
Assignee: —
•
Filing: —
•
Granted: 1952-07-15
•
Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/10; Y; Y10; Y10S; Y10S83/00; Y10S83/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US638553A
Cited
US934363A
Cited
US1039338A
Cited
US1830871A
Cited
US2216971A
Cited
US2462314A
Cited
US2463232A
Cited
US2441431A
Cited
US2457511A
Cited
US2509092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |