US3060952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Run-off extension for downspouts
Assignee: Individual
•
Filing: 1962-01-11
•
Granted: 1962-10-30
•
Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 Mikeal G Bystrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:31
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/08; E04D2013/0806; E04D2013/0813; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/9464
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |