Patent US3340049A successfully refreshed from Google Patents.
US3340049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloy
Assignee: Eutectic Corp
•
Filing: 1965-02-17
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Granted: 1967-09-05
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Expires: 1985-02-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Quaas
- 👤 Daniel P Tanzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:21
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/06; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302; B23K35/32; B23K35/327; C22C29/00; C22C29/02; C22C29/06; C22C29/067; C22C9/02; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A COPPER BASE ALLOY COMPRISING THE FOLLOWING CONSTITUENTS IN THE FOLLOWING RANGES OF PERCENTAGES BY WEIGHT:
Claim 2
Dependent Claim
16 words
A COPPER BASE ALLOY COMPRISING THE FOLLOWING CONSTITUENTS IN THE FOLLOWING RANGES OF PERCENTAGES BY WEIGHT:
References Cited (Backward Citations)
US2269581A
Cited
GB789653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |