Patent US3350247A successfully refreshed from Google Patents.
US3350247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of protecting finished surfaces
Assignee: Individual
•
Filing: 1966-02-04
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Granted: 1967-10-31
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Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 David J Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:24
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/15; B32B37/153; B29; B29C; B29C63/00; B29C63/0043; B29C63/0056; B29C63/0065; B29C63/02; B32B37/10; H; H05; H05K; H05K3/00; H05K3/02; H05K3/022; H05K3/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10T; Y10T156/00; Y10T156/10; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T428/00; Y10T428/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A METHOD OF TEMPORARILY PROTECTING FINISHED SURFACES, INCLUDING PROVIDING AN ELECTRO-STATICALLY CHARGED FLEXIBLE SHEET OF PLANAR SYNTHETIC RESINOUS THERMOPLASTIC MATERIAL CAPABLE OF RETAINING SAID ELECTRO-STATIC CHARGE SUCH THAT IT WILL BE ATTRACTED TO THE SURFACE TO BE PROTECTED, AND APPLYING THE SAME UNDER PRESSURE TO SAID FINISHED SURFACES, THE STEPS OF HEATING SAID SHEET TO A POINT BETWEEN 100 AND 165 DEGREES F., AND ABOVE THE MINIMUM AT WHICH SAID SHEET MAY BE MOLECULARLY REORIENTED TO CONFORM TO THE SURFACE IRREGULARITIES IN SAID FINISHED SURFACES, AND BELOW THE MELTING POINT OF SAID SHEET, AND APPLYING SAID SHEET DIRECTLY TO SAID FINISHED SURFACE UNDER PRESSURE, WHEREBY THE CONTACTING SURFACE OF SAID SHEET MAY BE SOFTENED AND HOT-WORKED INTO SAID SURFACE IRREGULARITIES.
Claim 2
Dependent Claim
121 words
IN A METHOD OF TEMPORARILY PROTECTING FINISHED SURFACES, INCLUDING PROVIDING AN ELECTRO-STATICALLY CHARGED FLEXIBLE SHEET OF PLANAR SYNTHETIC RESINOUS THERMOPLASTIC MATERIAL CAPABLE OF RETAINING SAID ELECTRO-STATIC CHARGE SUCH THAT IT WILL BE ATTRACTED TO THE SURFACE TO BE PROTECTED, AND APPLYING THE SAME UNDER PRESSURE TO SAID FINISHED SURFACES, THE STEPS OF HEATING SAID SHEET TO A POINT BETWEEN 100 AND 165 DEGREES F., AND ABOVE THE MINIMUM AT WHICH SAID SHEET MAY BE MOLECULARLY REORIENTED TO CONFORM TO THE SURFACE IRREGULARITIES IN SAID FINISHED SURFACES, AND BELOW THE MELTING POINT OF SAID SHEET, AND APPLYING SAID SHEET DIRECTLY TO SAID FINISHED SURFACE UNDER PRESSURE, WHEREBY THE CONTACTING SURFACE OF SAID SHEET MAY BE SOFTENED AND HOT-WORKED INTO SAID SURFACE IRREGULARITIES.
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |