US2778100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screens, parts therefor and methods for producing said screens
Assignee: Warner Mfg Corp
•
Filing: 1952-12-05
•
Granted: 1957-01-22
•
Expires: 1972-12-05
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Lipman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; Y; Y10; Y10S; Y10S55/00; Y10S55/31; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US783786A
Cited
US834441A
Cited
US1233310A
Cited
US1596507A
Cited
US2486147A
Cited
US2627311A
Cited
US2695445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |