Patent US2779997A successfully refreshed from Google Patents.
US2779997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing composite sink tops
Assignee: General Electric Co
•
Filing: 1953-10-29
•
Granted: 1957-02-05
•
Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Philip K Borman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:41
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/32; E03C1/33; E03C1/335; B; B21; B21D; B21D53/00; B21D53/74; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |