Patent US2818624A successfully refreshed from Google Patents.
US2818624A
Expired / Lapsed
US
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Hanger
Assignee: Individual
•
Filing: 1953-02-03
•
Granted: 1958-01-07
•
Expires: 1973-02-03
Abstract
No abstract record available.
Inventors
- 👤 Fanteux Henri Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:09
CPC Classifications
D; D06; D06F; D06F55/00; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3449; Y10T24/3451; Y10T24/39; Y10T24/3916; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906; Y10T24/4494
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |