US2873700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielded eaves troughs
Assignee: Individual
•
Filing: 1953-08-28
•
Granted: 1959-02-17
•
Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
- 👤 Henry C Heier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:42
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US836012A
Cited
US891406A
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US891405A
Cited
US1238993A
Cited
US1682840A
Cited
US2672832A
Cited
US2669950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |