US2664177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashing construction
Assignee: Individual
•
Filing: 1947-10-10
•
Granted: 1953-12-29
•
Expires: 1967-10-10
Abstract
No abstract record available.
Inventors
- 👤 Andrew B Hammitt
- 👤 Jr Herbert L Birum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:23
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/15; E04D13/158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US899817A
Cited
US1205501A
Cited
US1881438A
Cited
US1852955A
Cited
GB454752A
Cited
US2209399A
Cited
US2260438A
Cited
US2330819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |