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US2970855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: Individual
•
Filing: 1958-07-30
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Granted: 1961-02-07
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Richard L Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:10
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/04; E05D13/06; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T292/0866; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T292/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US365152A
Cited
US825616A
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US805766A
Cited
US872053A
Cited
US1147604A
Cited
US1508029A
Cited
US1531586A
Cited
GB203789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |