Patent US2574502A successfully refreshed from Google Patents.
US2574502A
Expired / Lapsed
US
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Belt fastener
Assignee: Individual
•
Filing: 1945-06-30
•
Granted: 1951-11-13
•
Expires: 1965-06-30
Abstract
No abstract record available.
Inventors
- 👤 Paul A Siple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:25
CPC Classifications
A; A44; A44B; A44B11/00; A44B11/25; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45675; Y10T24/45696; Y10T24/45702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE86272C
Cited
US166059A
Cited
US288749A
Cited
US561866A
Cited
GB189808670A
Cited
US643639A
Cited
US636148A
Cited
GB190200254A
Cited
US737062A
Cited
US796414A
Cited
US835752A
Cited
US879282A
Cited
US926614A
Cited
US987687A
Cited
US1044686A
Cited
US1015166A
Cited
US1262053A
Cited
FR545911A
Cited
US1634622A
Cited
US1995517A
Cited
US2178302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |