US3494541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sack holder for refuse collection sacks
Assignee: Individual
•
Filing: 1967-12-22
•
Granted: 1970-02-10
•
Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Kurt Henry Smedlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:21
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/12; B65F; B65F1/00; B65F1/04; B65F1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1162878A
Cited
US1727448A
Cited
US1791097A
Cited
US2965344A
Cited
US3175760A
Cited
US3179332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |