US3231127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy coated steel article
Assignee: Primerica Inc
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Filing: 1963-12-18
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Granted: 1966-01-25
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Virzi Donald Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:43
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F13/14; B; B65; B65D; B65D17/00; B65D17/52; B65D17/523; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12722
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A ONE-PIECE WIRE OPENING KEY FOR METAL CANS, COMPRISING: A HANDLE AND A SHANK; SAID KEY HAVING THEREON A COATING OF A TIN-ZINC BINARY ALLOY WHEREIN TIN IS IN THE AMOUNT OF FROM 75 TO 96%; SAID COATING HAVING A THICKNESS OF FROM 1 TO 8.5X10-4 INCH; AND A SLOT IN SAID SHANK THROUGH WHICH A TONGUE OF A CONTAINER-OPENING STRIP IS ADAPTED TO ENTER, THE INNER SURFACE OF SAID SLOT BEING BARE STEEL.
References Cited (Backward Citations)
US2258610A
Cited
US2229275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |