US3056904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoprinting apparatus and method
Assignee: 3M Co
•
Filing: 1958-10-20
•
Granted: 1962-10-02
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Kotz
- 👤 Roger H Appeldorn
- 👤 Emil W Grieshaber
- 👤 Elmer J Peterson
- 👤 Norman L Giorgini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:04
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/30; G03B27/306; Y; Y10; Y10S; Y10S430/00; Y10S430/145
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2385736A
Cited
US2443006A
Cited
US2491342A
Cited
US2441822A
Cited
US2740896A
Cited
US2486250A
Cited
US2654043A
Cited
US2774013A
Cited
US2663816A
Cited
US2722631A
Cited
US2733371A
Cited
US2740895A
Cited
DE857228C
Cited
US2875395A
Cited
US2866151A
Cited
US2925549A
Cited
US2844733A
Cited
US2919369A
Cited
US2914720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |