Patent US2693685A successfully refreshed from Google Patents.
US2693685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary drinking attachment for cans
Assignee: Individual
•
Filing: 1950-10-30
•
Granted: 1954-11-09
•
Expires: 1970-10-30
Abstract
No abstract record available.
Inventors
- 👤 Richard M Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:54
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/38; B65D25/40; B65D25/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US553836A
Cited
US406951A
Cited
GB190418463A
Cited
GB190505339A
Cited
US940204A
Cited
US1149445A
Cited
US1161730A
Cited
US1217599A
Cited
US1515480A
Cited
US1503694A
Cited
US1974711A
Cited
FR770661A
Cited
US2094869A
Cited
US2129971A
Cited
US2327010A
Cited
US2574612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |