US3028622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for improving polyethylene surfaces
Assignee: Plax Corp
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Filing: 1953-07-21
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Granted: 1962-04-10
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Expires: 1973-07-21
Abstract
No abstract record available.
Inventors
- 👤 Robert H Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:25
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/08; B29C59/085; B29C35/00; B29C35/16; B29C2035/1658; B29K; B29K2023/00; B29K2023/04; B29K2023/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
APPARATUS FOR MAKING THE SURFACE OF A POLYETHYLENE BODY MORE RECEPTIVE TO ADHESIVES, INKS AND THE LIKE, INCLUDING IN COMBINATION A SOURCE OF INTENSE HEAT, MEANS FOR MOVING THE POLYETHYLENE BODY IN THE INTENSE HEAT FROM SAID SOURCE, AND ADDITIONAL MEANS FOR MOVING SAID SOURCE OF HEAT INDEPENDENTLY OF MOVEMENT OF THE BODY AND IN A DIRECTION OPPOSITE TO BODY MOTION DURING HEATING TO EXPOSE SUCESSIVE PORTIONS OF SAID BODY TO SAID HEAT AND EFFECT ONLY SUPERFICIAL HEATING OF SAID PORTIONS.
Claim 2
Dependent Claim
81 words
APPARATUS FOR MAKING THE SURFACE OF A POLYETHYLENE BODY MORE RECEPTIVE TO ADHESIVES, INKS AND THE LIKE, INCLUDING IN COMBINATION A SOURCE OF INTENSE HEAT, MEANS FOR MOVING THE POLYETHYLENE BODY IN THE INTENSE HEAT FROM SAID SOURCE, AND ADDITIONAL MEANS FOR MOVING SAID SOURCE OF HEAT INDEPENDENTLY OF MOVEMENT OF THE BODY AND IN A DIRECTION OPPOSITE TO BODY MOTION DURING HEATING TO EXPOSE SUCESSIVE PORTIONS OF SAID BODY TO SAID HEAT AND EFFECT ONLY SUPERFICIAL HEATING OF SAID PORTIONS.
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |