US2464836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding
Assignee: Arcos Corp
•
Filing: 1944-08-24
•
Granted: 1949-03-22
•
Expires: 1964-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Royal David Thomas
- 👤 George F Comstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:38
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/308; B23K35/3086; B23K35/36; B23K35/365; Y; Y10; Y10S; Y10S29/00; Y10S29/045; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/933; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/12132; Y10T428/12139
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1241899A
Cited
US1599056A
Cited
US1679002A
Cited
US1942364A
Cited
US1679003A
Cited
US1926090A
Cited
US2266745A
Cited
US2303746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |