US3407548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable room attachment for mobile homes
Assignee: RAYMOND LLOYD RUSSELL
•
Filing: 1967-05-01
•
Granted: 1968-10-29
•
Expires: 1987-05-01
Abstract
No abstract record available.
Inventors
- 👤 Russell Raymond Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:54
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34336
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US317862A
Cited
CA607709A
Cited
US1261633A
Cited
US2055260A
Cited
US2247340A
Cited
US2363259A
Cited
US2840866A
Cited
US2716782A
Cited
US2895704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |