US3034430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erasure-proof card
Assignee: Farrington Manufacturing Co
•
Filing: 1958-05-15
•
Granted: 1962-05-15
•
Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 John R Bradford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:45
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/40; B42D25/405; B42D25/425; B42D25/30; B42D25/36; B42D25/378; B42D2033/04; B42D2033/20; B42D2033/40; B42D2035/02; B42D2035/08; B42D2035/24; B42D25/318; B42D25/324; Y; Y10; Y10S; Y10S283/00; Y10S283/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PRINTING DEVICE COMPRISING A MAIN BODY WITH INTEGRAL PRINTING SURFACES EMBROSSED THEREON, SAID MAIN BODY BEING OF PLASTIC THICKNESS AND STRENGTH SUFFICIENT TO PERMIT PRINTING FROM SAID PRINTING SURFACES WITHOUT DESTRUCTION THEREOF, A BACKGROUND AREA OF INK OF A FIRST
Claim 2
Dependent Claim
41 words
A PRINTING DEVICE COMPRISING A MAIN BODY WITH INTEGRAL PRINTING SURFACES EMBROSSED THEREON, SAID MAIN BODY BEING OF PLASTIC THICKNESS AND STRENGTH SUFFICIENT TO PERMIT PRINTING FROM SAID PRINTING SURFACES WITHOUT DESTRUCTION THEREOF, A BACKGROUND AREA OF INK OF A FIRST
References Cited (Backward Citations)
DE401201C
Cited
US1621457A
Cited
US2331575A
Cited
GB560184A
Cited
US2600972A
Cited
US2802418A
Cited
US2618574A
Cited
US2520077A
Cited
GB689348A
Cited
US2903276A
Cited
DK36985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |