Patent US2728103A successfully refreshed from Google Patents.
US2728103A
Expired / Lapsed
US
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Assignee: Congoleum Industries Inc
•
Filing: 1950-07-22
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Granted: 1955-12-27
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Expires: 1970-07-22
Abstract
No abstract record available.
Inventors
- 👤 Walter E Benedict
- 👤 Joseph F Dobry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:13
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0057; D21; D21G; D21G3/00; D21G3/02; Y; Y10; Y10S; Y10S425/00; Y10S425/116; Y10S425/235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US379068A
Cited
US538175A
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US692350A
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GB190119461A
Cited
US1401012A
Cited
US1927056A
Cited
US2153686A
Cited
US2297107A
Cited
US2516636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |