US2995814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for soldering aluminum
Assignee: Individual
•
Filing: 1957-10-11
•
Granted: 1961-08-15
•
Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Harold A Chamness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:58
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/001; B23K35/002; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12736; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12861; Y10T428/12896; Y10T428/12903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |