Patent US2515708A successfully refreshed from Google Patents.
US2515708A
Expired / Lapsed
US
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Window screen
Assignee: Individual
•
Filing: 1946-07-30
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Granted: 1950-07-18
•
Expires: 1966-07-30
Abstract
No abstract record available.
Inventors
- 👤 Hammer Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:36
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; E06B9/54; E06B9/24; E06B9/40; E06B9/42; E06B9/50; Y; Y10; Y10S; Y10S160/00; Y10S160/16
Claims Analysis
Total Claims: 0
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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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |