US3228128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper indicating device
Assignee: Admiral Corp
•
Filing: 1964-01-31
•
Granted: 1966-01-11
•
Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Donald C Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
G; G09; G09F; G09F3/00; Y; Y10; Y10S; Y10S283/00; Y10S283/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN COMBINATION WITH MEANS HAVING AT LEAST TWO IDENTIFYING MARKS THEREON, IDENTIFICATION MEANS CONSISTING OF A BREAKABLE PLATE-LIKE MEMBER HAVING AN APERTURE THEREIN, ONE OF SAID IDENTIFYING MARKS BEING VISIBLE THROUGH SAID APERTURE AND THE OTHER ONE OF SAID IDENTIFYING MARKS BEING HIDDEN FROM VIEW BY SAID PLATE-LIKE MEMBER, A SCORING
Claim 2
Dependent Claim
51 words
IN COMBINATION WITH MEANS HAVING AT LEAST TWO IDENTIFYING MARKS THEREON, IDENTIFICATION MEANS CONSISTING OF A BREAKABLE PLATE-LIKE MEMBER HAVING AN APERTURE THEREIN, ONE OF SAID IDENTIFYING MARKS BEING VISIBLE THROUGH SAID APERTURE AND THE OTHER ONE OF SAID IDENTIFYING MARKS BEING HIDDEN FROM VIEW BY SAID PLATE-LIKE MEMBER, A SCORING
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |