US2872718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent clamp for use when cleaning coats
Assignee: Wichita Precision Tool Co Inc
•
Filing: 1955-11-25
•
Granted: 1959-02-10
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Nolan C Jackson
- 👤 Christie L Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:31
CPC Classifications
D; D06; D06F; D06F71/00; D06F71/32; D06F71/40; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/4494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1368868A
Cited
US1502215A
Cited
GB474832A
Cited
US2259791A
Cited
US2425194A
Cited
US2530470A
Cited
US2689996A
Cited
US2685391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |