US3501866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replacement door and frame unit
Assignee: Georgia-Pacific LLC
•
Filing: 1968-10-18
•
Granted: 1970-03-24
•
Expires: 1988-10-18
Abstract
No abstract record available.
Inventors
- 👤 Waldo O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:07
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2318; E06B1/00; E06B1/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1650640A
Cited
US2481721A
Cited
US2699578A
Cited
US2686943A
Cited
US3114180A
Cited
US3426479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |