Patent US3196029A successfully refreshed from Google Patents.
US3196029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-copying process
Assignee: KALLE AKTIENGESELSLCHAFT
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Filing: 1961-10-19
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Granted: 1965-07-20
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Lind Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:54
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/398
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COPYING PROCESS WHICH COMPRISES: (A) FORMING A LATENT HEAT IMAGE IN A HEAT-SOFTENABLE RESIN LAYER BY EXPOSING SAID LAYER AND AN ADJACENT MASTER TO RADIANT HEAT AND (B) DEVELOPING THE LATENT HEAT IMAGE FORMED IN SAID LAYER BY CONTACTING IT WITH A DEVELOPER POWDER.
Claim 2
Dependent Claim
45 words
A COPYING PROCESS WHICH COMPRISES: (A) FORMING A LATENT HEAT IMAGE IN A HEAT-SOFTENABLE RESIN LAYER BY EXPOSING SAID LAYER AND AN ADJACENT MASTER TO RADIANT HEAT AND (B) DEVELOPING THE LATENT HEAT IMAGE FORMED IN SAID LAYER BY CONTACTING IT WITH A DEVELOPER POWDER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |