US2933790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper clips
Assignee: Individual
•
Filing: 1958-02-26
•
Granted: 1960-04-26
•
Expires: 1978-02-26
Abstract
No abstract record available.
Inventors
- 👤 Hudson Leslie Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:43
CPC Classifications
B; B42; B42F; B42F1/00; B42F1/006; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/203; Y10T24/204; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3437; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44462; Y10T24/4447; Y10T24/44641; Y10T24/4494
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189708798A
Cited
GB190804926A
Cited
US1542208A
Cited
US2209697A
Cited
US2276313A
Cited
US2560975A
Cited
US2629154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |