US2530365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doorstop and catch assembly
Assignee: Individual
•
Filing: 1948-06-25
•
Granted: 1950-11-14
•
Expires: 1968-06-25
Abstract
No abstract record available.
Inventors
- 👤 Nels H Johnson
- 👤 Harold A Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:12
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/46; E05C17/52; Y; Y10; Y10S; Y10S292/00; Y10S292/19; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817; Y10T292/68; Y10T292/688
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) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |