US2655181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube construction
Assignee: McCord Corp
•
Filing: 1949-09-14
•
Granted: 1953-10-13
•
Expires: 1969-09-14
Abstract
No abstract record available.
Inventors
- 👤 James H Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/126; F28F1/02; F28F1/022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49391
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1104714A
Cited
DE337463C
Cited
US1522404A
Cited
US1899417A
Cited
DE667327C
Cited
US2252210A
Cited
US2554185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |