US3053494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanger
Assignee: Daniel Woodhead Co
•
Filing: 1960-04-15
•
Granted: 1962-09-11
•
Expires: 1980-04-15
Abstract
No abstract record available.
Inventors
- 👤 Russell F Stoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:24
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/24; Y; Y10; Y10S; Y10S248/00; Y10S248/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1245632A
Cited
US1670902A
Cited
US1778700A
Cited
US1983670A
Cited
US1888342A
Cited
US2546556A
Cited
US2517927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |