US3283117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating cutting edges of sharpened instruments
Assignee: Philip Morris USA Inc
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Filing: 1965-04-22
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Granted: 1966-11-01
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Expires: 1985-04-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Holmes
- 👤 George R Stepanek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:04
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/04; B05D1/00; B05D1/02; B05D1/08; B05D5/00; B05D5/08; B05D5/083; B26; B26B; B26B21/00; B26B21/54; B26B21/58; B26B21/60; B05D1/62; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN THE MANUFACTURE OF CUTTING INSTRUMENTS IN A CONTINUOUS OPERATION, A METHOD FOR COATING THE SHARPENED CUTTING EDGES OF THE CUTTING INSTRUMENTS WITH A COATING MATERIAL TO IMPROVE THE CUTTING CHARACTERISTICS THEREOF COMPRISING APPLYING THE COATING MATERIAL TO THE CUTTING EDGES WHILE CONTROLLABLY ADVANCING THE CUTTING INSTRUMENTS ADJACENT A STREAM OF HIGHLY HEATED GAS WITH SAID STREAM IN CONTACT WITH SAID COATING MATERIAL AND CUTTING EDGES ONLY, SAID STREAM OF HEATED GAS BEING ADAPTED TO HEAT SAID COATING MATERIAL AND CUTTING EDGES TO A TEMPERATURE SUFFICIENT TO CAUSE SAID COATING MATERIAL TO BOND TO SAID CUTTING EDGES.
Claim 2
Dependent Claim
97 words
IN THE MANUFACTURE OF CUTTING INSTRUMENTS IN A CONTINUOUS OPERATION, A METHOD FOR COATING THE SHARPENED CUTTING EDGES OF THE CUTTING INSTRUMENTS WITH A COATING MATERIAL TO IMPROVE THE CUTTING CHARACTERISTICS THEREOF COMPRISING APPLYING THE COATING MATERIAL TO THE CUTTING EDGES WHILE CONTROLLABLY ADVANCING THE CUTTING INSTRUMENTS ADJACENT A STREAM OF HIGHLY HEATED GAS WITH SAID STREAM IN CONTACT WITH SAID COATING MATERIAL AND CUTTING EDGES ONLY, SAID STREAM OF HEATED GAS BEING ADAPTED TO HEAT SAID COATING MATERIAL AND CUTTING EDGES TO A TEMPERATURE SUFFICIENT TO CAUSE SAID COATING MATERIAL TO BOND TO SAID CUTTING EDGES.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |