US2583567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper clamp
Assignee: Individual
•
Filing: 1949-06-06
•
Granted: 1952-01-29
•
Expires: 1969-06-06
Abstract
No abstract record available.
Inventors
- 👤 Anton G Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:59
CPC Classifications
B; B43; B43M; B43M99/00; B43M99/001; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205; Y10T24/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US304692A
Cited
US1063836A
Cited
US1199373A
Cited
US1397917A
Cited
US2150497A
Cited
US2315211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |