US2710331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating apparatus for thermoplastic articles
Assignee: Bausch and Lomb Inc
•
Filing: 1952-05-08
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Granted: 1955-06-07
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Expires: 1972-05-08
Abstract
No abstract record available.
Inventors
- 👤 Raymond F E Stegeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:51
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0038; H05B3/0057
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
A HEATING APPARATUS FOR SOFTENING AN ARTICLE WHICH COMPRISES A BASE, A HEATING ELEMENT MOUNTED ON THE BASE, A VERTICAL WALL SURROUNDING THE ELEMENT AND CARRIED BY THE BASE, A HEAT DIRECTING CANOPY MOUNTED IN SPACED RELATION ABOVE SAID WALL TO PROVIDE AN OPENING BETWEEN THE UPPER EDGE OF THE WALL AND THE CANOPY, SAID CANPY TAPERING UPWARDLY TOWARD AN APERATURE AT THE TOP THEREOF, THE LOWER PERIPHERAL EDGE OF SAID OVERHANGING THE UPPER EDGE OF SAID WALL TO DIRECT THE HEAT FROM THE UTSIDE OF SAID WALL INTO SAID APERTURE, AND RIGID TOP PLATE SUPPORTED BY THE BASE AND SPACED ABOVE SAID CANOPY, SAID TOP PLATE BEING PROVIDED WITH AN OPENING IN ALIGNMENT WITH THE APERTURE IN THE CANOPY WHEREBY THE TOP PLATE SERVES TO PROTECT THE OPERATOR AGAINST THE HEAT OF THE ELEMENT WHILE PERMITTING ACCESS TO THE HEAT FROM THE APERTURE.
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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) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |