US2907079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Individual
•
Filing: 1955-09-06
•
Granted: 1959-10-06
•
Expires: 1975-09-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Lundgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E06B2003/4438; E06B2003/4446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US278469A
Cited
US2303129A
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US2270315A
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US2307647A
Cited
US2648515A
Cited
US2619690A
Cited
US2677156A
Cited
US2774997A
Cited
US2740171A
Cited
US2772449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |