US3112722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering gun
Assignee: RIKEN PLASTIC ENGINEERING CO L
•
Filing: 1961-12-11
•
Granted: 1963-12-03
•
Expires: 1981-12-11
Abstract
No abstract record available.
Inventors
- 👤 Ando Seiichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:49
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE125090C
Cited
US1667618A
Cited
US1893093A
Cited
GB463141A
Cited
US2195944A
Cited
GB696873A
Cited
US2875719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |