Patent US3899071A successfully refreshed from Google Patents.
Patent US3043682A successfully refreshed from Google Patents.
US3043682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead-nickel-cadmium alloys
Assignee: Bunker Hill Co
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Filing: 1960-02-19
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Granted: 1962-07-10
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Grube
- 👤 Dean N Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:00
CPC Classifications
C; C22; C22C; C22C11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
LEAD-BASE ALLOYS CONSISTING ESSENTIALLY OF FROM ABOUT 0.3 TO ABOUT 4.0 PERCENT CADMIUM, ABOUT 0.05 TO 0.8 PERCENT NICKEL, BALANCE LEAD, SAID ALLOYS BEING CHARACTERIZED LBY GREATLY IMPROVED TENSILE STRENGTYH, CREEP RESISTANCE, AND BEND RESISTANCE AS COMPARED WITH UNALLOYED LEAD.
Claim 2
Dependent Claim
40 words
LEAD-BASE ALLOYS CONSISTING ESSENTIALLY OF FROM ABOUT 0.3 TO ABOUT 4.0 PERCENT CADMIUM, ABOUT 0.05 TO 0.8 PERCENT NICKEL, BALANCE LEAD, SAID ALLOYS BEING CHARACTERIZED LBY GREATLY IMPROVED TENSILE STRENGTYH, CREEP RESISTANCE, AND BEND RESISTANCE AS COMPARED WITH UNALLOYED LEAD.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |