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Patent US2908051A successfully refreshed from Google Patents.
US2908051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window or door assembly
Assignee: Individual
•
Filing: 1956-08-21
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Granted: 1959-10-13
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Expires: 1976-08-21
Abstract
No abstract record available.
Inventors
- 👤 Sparkes Sidney Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:01
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/92; E06B3/925; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US301429A
Cited
GB103741A
Cited
US1751358A
Cited
GB396839A
Cited
US2371764A
Cited
US2729287A
Cited
US2722041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |