US2950893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel latching device
Assignee: Middletown Manufacturing Co
•
Filing: 1958-07-31
•
Granted: 1960-08-30
•
Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Frank R Mclarney
- 👤 Edward L Hampton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:36
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; A; A47; A47B; A47B11/00; F; F16; F16B; F16B1/00; Y; Y10; Y10S; Y10S248/00; Y10S248/917; Y10S248/919; Y10S248/922
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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |