US2453319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube holding device
Assignee: Glenn L Martin Co
•
Filing: 1945-02-21
•
Granted: 1948-11-09
•
Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Hollyday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:56
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/10; F16L3/1058; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1402; Y10T24/1408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303249A
Cited
US1030200A
Cited
US1302354A
Cited
US1755971A
Cited
US1817268A
Cited
US2330835A
Cited
US2390385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |