US3430387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draught excluders
Assignee: Schlegel Manufacturing Co
•
Filing: 1967-06-13
•
Granted: 1969-03-04
•
Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Fred Robinson Clapham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:16
CPC Classifications
B; B60; B60J; B60J10/00; B60J10/70; B60J10/74; B60J10/15; B60J10/16; B60J10/18; B60J10/30; B60J10/32; B60J10/33; D; D04; D04B; D04B21/00; D04B21/14; D04B21/20; D10; D10B; D10B2401/00; D10B2401/06; D10B2401/062; D10B2403/00; D10B2403/03; D10B2403/031; D10B2403/0311
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2699582A
Cited
US2954310A
Cited
US3091821A
Cited
US3172800A
Cited
US3167825A
Cited
US3198689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |