US3484959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear assembly
Assignee: Shell USA Inc
•
Filing: 1969-01-24
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Granted: 1969-12-23
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Expires: 1989-01-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Torgerson
- 👤 David Feld
- 👤 William P O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:15
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/12; A; A43; A43B; A43B1/00; C; C08; C08L; C08L53/00; C08L53/02; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |