US2671845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapidly heating electric soldering tool
Assignee: Individual
•
Filing: 1950-04-18
•
Granted: 1954-03-09
•
Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Benjamin J Chromy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:05
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/0315; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US958753A
Cited
DE389309C
Cited
US1684143A
Cited
US1857215A
Cited
US1897604A
Cited
FR787065A
Cited
FR838748A
Cited
US2372645A
Cited
US2405866A
Cited
GB628968A
Cited
US2570762A
Cited
US2560552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |