Patent US3200561A successfully refreshed from Google Patents.
US3200561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shrinking wrappers of packages
Assignee: Weldotron of Delaware Inc
•
Filing: 1962-02-02
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Granted: 1965-08-17
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Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 Siegel Martin
- 👤 Zelnick Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:51
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B53/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
APPARATUS FOR SHRINKING HEAT-SHRINKABLE WRAPPERS OF PACKAGES, COMPRISING: (A) A HORIZONTAL ROTARY SUPPORT FOR THE PACKAGE, (B) MEANS POSITIONED LATERALLY OF SAID ROTARY SUPPORT AT ONE SIDE THEREOF FOR HEATING A SUPPLY OF AIR, (C) SAID HEATING MEANS HAVING AN OPENING FOR DIRECTING A SUPPLY OF HEATED AIR ON SAID PACKAGE DURING THE ROTATION THEREOF ON SAID SUPPORT, AND (D) SCOOP MEANS POSITIONED DIAMETRICALLY OPPOSITE SAID HEATING MEANS AT THE OTHER SIDE OF SAID ROTARY SUPPORT IN THE PATH OF FLOW OF SAID HEATED AIR FOR DIRECTING THE LATTER BACK TOWARD SAID HEATING MEANS FOR REHEATING SAID SCOOP MEANS HAVING AN INLET DISPOSED VERTICALLY ABOVE SAID ROTARY SUPPORT AND A DOWNWARDLY EXTENDING PASSAGE COMMUNICATING WITH SAID INLET TO RECEIVE THE AIR FOR ITS RETURN FLOW TO THE HEATING MEANS.
Claim 2
Dependent Claim
129 words
APPARATUS FOR SHRINKING HEAT-SHRINKABLE WRAPPERS OF PACKAGES, COMPRISING: (A) A HORIZONTAL ROTARY SUPPORT FOR THE PACKAGE, (B) MEANS POSITIONED LATERALLY OF SAID ROTARY SUPPORT AT ONE SIDE THEREOF FOR HEATING A SUPPLY OF AIR, (C) SAID HEATING MEANS HAVING AN OPENING FOR DIRECTING A SUPPLY OF HEATED AIR ON SAID PACKAGE DURING THE ROTATION THEREOF ON SAID SUPPORT, AND (D) SCOOP MEANS POSITIONED DIAMETRICALLY OPPOSITE SAID HEATING MEANS AT THE OTHER SIDE OF SAID ROTARY SUPPORT IN THE PATH OF FLOW OF SAID HEATED AIR FOR DIRECTING THE LATTER BACK TOWARD SAID HEATING MEANS FOR REHEATING SAID SCOOP MEANS HAVING AN INLET DISPOSED VERTICALLY ABOVE SAID ROTARY SUPPORT AND A DOWNWARDLY EXTENDING PASSAGE COMMUNICATING WITH SAID INLET TO RECEIVE THE AIR FOR ITS RETURN FLOW TO THE HEATING MEANS.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |