US2999765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating for milk containers
Assignee: ExxonMobil Oil Corp
•
Filing: 1958-06-11
•
Granted: 1961-09-12
•
Expires: 1978-06-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Boenau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:18
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A TWO-STEP COATING OPERATION FOR MILK CONTAINERS COMPRISING FIRST DIPPING THE CONTAINER MATERIAL IN AN IMPREGNATING SOLUTION OF PETROLEUM WAX BLENDED WITH 2-10 PERCENT OF POLYETHYLENE, WIPING THE CONTAINER MATERIAL TO REMOVE SURFACE WAX FROM THE CONTAINER MATERIAL, DIPPING THE CONTAINER MATERIAL IN A COATING BATH AT LEAST SUBSTANTIALLY FREE OF POLYETHYLENE AND FORMED OF MORE THAN 98 PERCENT PETROLEUM WAX TO APPLY A FINISHED COATING TO THE CONTAINER MATERIAL, DRAINING THE CONTAINER MATERIAL AND COOLING TO SET THE FINISHED COATING, THEREBY PROVIDING A SATISFACTORY COATING FOR THE CONTAINER WITH A REDUCED REQUIREMENT FOR WAX.
Claim 2
Dependent Claim
95 words
A TWO-STEP COATING OPERATION FOR MILK CONTAINERS COMPRISING FIRST DIPPING THE CONTAINER MATERIAL IN AN IMPREGNATING SOLUTION OF PETROLEUM WAX BLENDED WITH 2-10 PERCENT OF POLYETHYLENE, WIPING THE CONTAINER MATERIAL TO REMOVE SURFACE WAX FROM THE CONTAINER MATERIAL, DIPPING THE CONTAINER MATERIAL IN A COATING BATH AT LEAST SUBSTANTIALLY FREE OF POLYETHYLENE AND FORMED OF MORE THAN 98 PERCENT PETROLEUM WAX TO APPLY A FINISHED COATING TO THE CONTAINER MATERIAL, DRAINING THE CONTAINER MATERIAL AND COOLING TO SET THE FINISHED COATING, THEREBY PROVIDING A SATISFACTORY COATING FOR THE CONTAINER WITH A REDUCED REQUIREMENT FOR WAX.
References Cited (Backward Citations)
US1824885A
Cited
US2391620A
Cited
US2392972A
Cited
GB642442A
Cited
US2758100A
Cited
US2857352A
Cited
US2859190A
Cited
US2882246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |