Patent US3537151A successfully refreshed from Google Patents.
US3537151A
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US
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Shoelace clasp
Assignee: MILLARD L SPIALTER
•
Filing: 1969-01-31
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Granted: 1970-11-03
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Expires: 1989-01-31
Abstract
No abstract record available.
Inventors
- 👤 Sol Sobel
- 👤 Theodore B Maxwell
- 👤 Millard L Spialter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:53
CPC Classifications
A; A43; A43C; A43C7/00; A43C7/08; Y; Y10; Y10T; Y10T24/00; Y10T24/37; Y10T24/3703; Y10T24/3705; Y10T24/3713; Y10T24/3718; Y10T24/44; Y10T24/44641; Y10T24/44744; Y10T24/44752
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1174164A
Cited
DE501384C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |