US2789198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering gun
Assignee: Calspan Corp
•
Filing: 1955-09-29
•
Granted: 1957-04-16
•
Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Edward R Dye
- 👤 Howard W Nanlty
- 👤 Carleton F Maylott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:24
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/06; B23K3/0607; B23K3/0615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1340736A
Cited
US1749684A
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US2228291A
Cited
US2251557A
Cited
US2438525A
Cited
US2604571A
Cited
US2672838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |