US2750222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cup
Assignee: Individual
•
Filing: 1952-07-21
•
Granted: 1956-06-12
•
Expires: 1972-07-21
Abstract
No abstract record available.
Inventors
- 👤 John E Borah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:59
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/02; A63B53/00; A63B53/007; A63B53/14; A63B60/00; A63B60/06; A63B60/16; A63B2225/00; A63B2225/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US993989A
Cited
US1152981A
Cited
US1178147A
Cited
US1655979A
Cited
US1830520A
Cited
US2126689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |