US3481727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning tool for float glass conveyor rollers
Assignee: Pilkington Group Ltd
•
Filing: 1966-12-30
•
Granted: 1969-12-02
•
Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 George Alfred Dickinson
- 👤 Brian Stanley Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:29
CPC Classifications
C; C03; C03B; C03B35/00; C03B35/14; C03B35/16; C03B35/168; B; B08; B08B; B08B1/00; B08B1/10; B08B1/16; B08B1/165; B08B1/30; C03B18/00; C03B18/02
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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |