US3440675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Score card cleaning apparatus
Assignee: Sav-On Draperies Inc
•
Filing: 1966-09-22
•
Granted: 1969-04-29
•
Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Carl R Yeaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:00
CPC Classifications
B; B08; B08B; B08B11/00; B43; B43L; B43L19/00; B43L19/0018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1748760A
Cited
US3130079A
Cited
US3098249A
Cited
US3237231A
Cited
US3292923A
Cited
US3328821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |